Home / 28,948.52-43,397.18-12,523.56

Finding the Fourth Proportional to 28,948.52, 43,397.18 and 12,523.56

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Solution

The fourth proportional to 28,948.52, 43,397.18 and 12,523.56 is: 18,774.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,948.52 : 43,397.18 = 12,523.56 : x
  2. Step 2: Convert to fraction form
    28,948.52/43,397.18 = 12,523.56/x
  3. Step 3: Cross multiply
    28,948.52x = 43,397.18 × 12,523.56
  4. Step 4: Simplify right side
    28,948.52x = 543,487,187.56
  5. Step 5: Solve for x
    x = 543,487,187.56/28,948.52
  6. Step 6: Final answer
    x = 18,774.27

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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.