Home / 24,436.40-36,654.60-20,937.20

Finding the Fourth Proportional to 24,436.40, 36,654.60 and 20,937.20

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Solution

The fourth proportional to 24,436.40, 36,654.60 and 20,937.20 is: 31,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,436.40 : 36,654.60 = 20,937.20 : x
  2. Step 2: Convert to fraction form
    24,436.40/36,654.60 = 20,937.20/x
  3. Step 3: Cross multiply
    24,436.40x = 36,654.60 × 20,937.20
  4. Step 4: Simplify right side
    24,436.40x = 767,444,691.12
  5. Step 5: Solve for x
    x = 767,444,691.12/24,436.40
  6. Step 6: Final answer
    x = 31,405.80

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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.