Home / 25,641.18-38,360.62-19,419.17

Finding the Fourth Proportional to 25,641.18, 38,360.62 and 19,419.17

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Solution

The fourth proportional to 25,641.18, 38,360.62 and 19,419.17 is: 29,052.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,641.18 : 38,360.62 = 19,419.17 : x
  2. Step 2: Convert to fraction form
    25,641.18/38,360.62 = 19,419.17/x
  3. Step 3: Cross multiply
    25,641.18x = 38,360.62 × 19,419.17
  4. Step 4: Simplify right side
    25,641.18x = 744,931,233.56
  5. Step 5: Solve for x
    x = 744,931,233.56/25,641.18
  6. Step 6: Final answer
    x = 29,052.14

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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.