Home / 18,531.15-25,572.53-10,354.83

Finding the Fourth Proportional to 18,531.15, 25,572.53 and 10,354.83

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Solution

The fourth proportional to 18,531.15, 25,572.53 and 10,354.83 is: 14,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.15 : 25,572.53 = 10,354.83 : x
  2. Step 2: Convert to fraction form
    18,531.15/25,572.53 = 10,354.83/x
  3. Step 3: Cross multiply
    18,531.15x = 25,572.53 × 10,354.83
  4. Step 4: Simplify right side
    18,531.15x = 264,799,149.05
  5. Step 5: Solve for x
    x = 264,799,149.05/18,531.15
  6. Step 6: Final answer
    x = 14,289.41

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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.