Home / 23,631.50-32,612.21-13,561.79

Finding the Fourth Proportional to 23,631.50, 32,612.21 and 13,561.79

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Solution

The fourth proportional to 23,631.50, 32,612.21 and 13,561.79 is: 18,715.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,631.50 : 32,612.21 = 13,561.79 : x
  2. Step 2: Convert to fraction form
    23,631.50/32,612.21 = 13,561.79/x
  3. Step 3: Cross multiply
    23,631.50x = 32,612.21 × 13,561.79
  4. Step 4: Simplify right side
    23,631.50x = 442,279,712.59
  5. Step 5: Solve for x
    x = 442,279,712.59/23,631.50
  6. Step 6: Final answer
    x = 18,715.68

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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.