Home / 14,080.28-19,430.88-7,792.76

Finding the Fourth Proportional to 14,080.28, 19,430.88 and 7,792.76

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Solution

The fourth proportional to 14,080.28, 19,430.88 and 7,792.76 is: 10,754.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,080.28 : 19,430.88 = 7,792.76 : x
  2. Step 2: Convert to fraction form
    14,080.28/19,430.88 = 7,792.76/x
  3. Step 3: Cross multiply
    14,080.28x = 19,430.88 × 7,792.76
  4. Step 4: Simplify right side
    14,080.28x = 151,420,184.43
  5. Step 5: Solve for x
    x = 151,420,184.43/14,080.28
  6. Step 6: Final answer
    x = 10,754.06

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Half scale
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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.