Home / 14,182.44-19,571.60-7,808.90

Finding the Fourth Proportional to 14,182.44, 19,571.60 and 7,808.90

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Solution

The fourth proportional to 14,182.44, 19,571.60 and 7,808.90 is: 10,776.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.44 : 19,571.60 = 7,808.90 : x
  2. Step 2: Convert to fraction form
    14,182.44/19,571.60 = 7,808.90/x
  3. Step 3: Cross multiply
    14,182.44x = 19,571.60 × 7,808.90
  4. Step 4: Simplify right side
    14,182.44x = 152,832,633.01
  5. Step 5: Solve for x
    x = 152,832,633.01/14,182.44
  6. Step 6: Final answer
    x = 10,776.19

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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.