Home / 24,120.60-36,103.14-12,417.72

Finding the Fourth Proportional to 24,120.60, 36,103.14 and 12,417.72

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Solution

The fourth proportional to 24,120.60, 36,103.14 and 12,417.72 is: 18,586.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,120.60 : 36,103.14 = 12,417.72 : x
  2. Step 2: Convert to fraction form
    24,120.60/36,103.14 = 12,417.72/x
  3. Step 3: Cross multiply
    24,120.60x = 36,103.14 × 12,417.72
  4. Step 4: Simplify right side
    24,120.60x = 448,318,683.64
  5. Step 5: Solve for x
    x = 448,318,683.64/24,120.60
  6. Step 6: Final answer
    x = 18,586.55

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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.