Home / 25,694.08-38,534.10-10,902.40

Finding the Fourth Proportional to 25,694.08, 38,534.10 and 10,902.40

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Solution

The fourth proportional to 25,694.08, 38,534.10 and 10,902.40 is: 16,350.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,694.08 : 38,534.10 = 10,902.40 : x
  2. Step 2: Convert to fraction form
    25,694.08/38,534.10 = 10,902.40/x
  3. Step 3: Cross multiply
    25,694.08x = 38,534.10 × 10,902.40
  4. Step 4: Simplify right side
    25,694.08x = 420,114,171.84
  5. Step 5: Solve for x
    x = 420,114,171.84/25,694.08
  6. Step 6: Final answer
    x = 16,350.62

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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.