Home / 25,489.20-38,226.51-9,903.18

Finding the Fourth Proportional to 25,489.20, 38,226.51 and 9,903.18

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Solution

The fourth proportional to 25,489.20, 38,226.51 and 9,903.18 is: 14,851.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,489.20 : 38,226.51 = 9,903.18 : x
  2. Step 2: Convert to fraction form
    25,489.20/38,226.51 = 9,903.18/x
  3. Step 3: Cross multiply
    25,489.20x = 38,226.51 × 9,903.18
  4. Step 4: Simplify right side
    25,489.20x = 378,564,009.30
  5. Step 5: Solve for x
    x = 378,564,009.30/25,489.20
  6. Step 6: Final answer
    x = 14,851.94

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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.