Home / 14,080.41-19,431.57-7,792.79

Finding the Fourth Proportional to 14,080.41, 19,431.57 and 7,792.79

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Solution

The fourth proportional to 14,080.41, 19,431.57 and 7,792.79 is: 10,754.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,080.41 : 19,431.57 = 7,792.79 : x
  2. Step 2: Convert to fraction form
    14,080.41/19,431.57 = 7,792.79/x
  3. Step 3: Cross multiply
    14,080.41x = 19,431.57 × 7,792.79
  4. Step 4: Simplify right side
    14,080.41x = 151,426,047.22
  5. Step 5: Solve for x
    x = 151,426,047.22/14,080.41
  6. Step 6: Final answer
    x = 10,754.38

Related Problems

Find fourth proportional to 7,040.21, 9,715.79 and 3,896.39
Half scale
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Double scale
Find fourth proportional to 14,081.41, 19,432.95 and 7,793.79
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.