Home / 24,458.76-36,754.56-12,780.72

Finding the Fourth Proportional to 24,458.76, 36,754.56 and 12,780.72

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Solution

The fourth proportional to 24,458.76, 36,754.56 and 12,780.72 is: 19,205.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,458.76 : 36,754.56 = 12,780.72 : x
  2. Step 2: Convert to fraction form
    24,458.76/36,754.56 = 12,780.72/x
  3. Step 3: Cross multiply
    24,458.76x = 36,754.56 × 12,780.72
  4. Step 4: Simplify right side
    24,458.76x = 469,749,740.08
  5. Step 5: Solve for x
    x = 469,749,740.08/24,458.76
  6. Step 6: Final answer
    x = 19,205.79

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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.