Home / 25,748.18-38,626.17-9,108.40

Finding the Fourth Proportional to 25,748.18, 38,626.17 and 9,108.40

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Solution

The fourth proportional to 25,748.18, 38,626.17 and 9,108.40 is: 13,663.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,748.18 : 38,626.17 = 9,108.40 : x
  2. Step 2: Convert to fraction form
    25,748.18/38,626.17 = 9,108.40/x
  3. Step 3: Cross multiply
    25,748.18x = 38,626.17 × 9,108.40
  4. Step 4: Simplify right side
    25,748.18x = 351,822,548.53
  5. Step 5: Solve for x
    x = 351,822,548.53/25,748.18
  6. Step 6: Final answer
    x = 13,663.98

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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.