Home / 24,159.60-36,161.64-12,456.72

Finding the Fourth Proportional to 24,159.60, 36,161.64 and 12,456.72

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Solution

The fourth proportional to 24,159.60, 36,161.64 and 12,456.72 is: 18,644.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,159.60 : 36,161.64 = 12,456.72 : x
  2. Step 2: Convert to fraction form
    24,159.60/36,161.64 = 12,456.72/x
  3. Step 3: Cross multiply
    24,159.60x = 36,161.64 × 12,456.72
  4. Step 4: Simplify right side
    24,159.60x = 450,455,424.22
  5. Step 5: Solve for x
    x = 450,455,424.22/24,159.60
  6. Step 6: Final answer
    x = 18,644.99

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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.