Home / 25,928.10-38,892.15-19,707.30

Finding the Fourth Proportional to 25,928.10, 38,892.15 and 19,707.30

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Solution

The fourth proportional to 25,928.10, 38,892.15 and 19,707.30 is: 29,560.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,928.10 : 38,892.15 = 19,707.30 : x
  2. Step 2: Convert to fraction form
    25,928.10/38,892.15 = 19,707.30/x
  3. Step 3: Cross multiply
    25,928.10x = 38,892.15 × 19,707.30
  4. Step 4: Simplify right side
    25,928.10x = 766,459,267.70
  5. Step 5: Solve for x
    x = 766,459,267.70/25,928.10
  6. Step 6: Final answer
    x = 29,560.95

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.