Home / 15,658.20-23,488.20-5,123.52

Finding the Fourth Proportional to 15,658.20, 23,488.20 and 5,123.52

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Solution

The fourth proportional to 15,658.20, 23,488.20 and 5,123.52 is: 7,685.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,658.20 : 23,488.20 = 5,123.52 : x
  2. Step 2: Convert to fraction form
    15,658.20/23,488.20 = 5,123.52/x
  3. Step 3: Cross multiply
    15,658.20x = 23,488.20 × 5,123.52
  4. Step 4: Simplify right side
    15,658.20x = 120,342,262.46
  5. Step 5: Solve for x
    x = 120,342,262.46/15,658.20
  6. Step 6: Final answer
    x = 7,685.57

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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.