Home / 25,820.91-38,715.89-8,948.34

Finding the Fourth Proportional to 25,820.91, 38,715.89 and 8,948.34

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Solution

The fourth proportional to 25,820.91, 38,715.89 and 8,948.34 is: 13,417.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,820.91 : 38,715.89 = 8,948.34 : x
  2. Step 2: Convert to fraction form
    25,820.91/38,715.89 = 8,948.34/x
  3. Step 3: Cross multiply
    25,820.91x = 38,715.89 × 8,948.34
  4. Step 4: Simplify right side
    25,820.91x = 346,442,902.38
  5. Step 5: Solve for x
    x = 346,442,902.38/25,820.91
  6. Step 6: Final answer
    x = 13,417.15

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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.