Home / 18,372.48-25,355.12-10,306.82

Finding the Fourth Proportional to 18,372.48, 25,355.12 and 10,306.82

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Solution

The fourth proportional to 18,372.48, 25,355.12 and 10,306.82 is: 14,224.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372.48 : 25,355.12 = 10,306.82 : x
  2. Step 2: Convert to fraction form
    18,372.48/25,355.12 = 10,306.82/x
  3. Step 3: Cross multiply
    18,372.48x = 25,355.12 × 10,306.82
  4. Step 4: Simplify right side
    18,372.48x = 261,330,479.61
  5. Step 5: Solve for x
    x = 261,330,479.61/18,372.48
  6. Step 6: Final answer
    x = 14,224.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.