Home / 24,420.38-36,636.10-7,781.36

Finding the Fourth Proportional to 24,420.38, 36,636.10 and 7,781.36

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Solution

The fourth proportional to 24,420.38, 36,636.10 and 7,781.36 is: 11,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,420.38 : 36,636.10 = 7,781.36 : x
  2. Step 2: Convert to fraction form
    24,420.38/36,636.10 = 7,781.36/x
  3. Step 3: Cross multiply
    24,420.38x = 36,636.10 × 7,781.36
  4. Step 4: Simplify right side
    24,420.38x = 285,078,644.19
  5. Step 5: Solve for x
    x = 285,078,644.19/24,420.38
  6. Step 6: Final answer
    x = 11,673.80

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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.