Home / 15,658.60-23,487.92-5,277.64

Finding the Fourth Proportional to 15,658.60, 23,487.92 and 5,277.64

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Solution

The fourth proportional to 15,658.60, 23,487.92 and 5,277.64 is: 7,916.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,658.60 : 23,487.92 = 5,277.64 : x
  2. Step 2: Convert to fraction form
    15,658.60/23,487.92 = 5,277.64/x
  3. Step 3: Cross multiply
    15,658.60x = 23,487.92 × 5,277.64
  4. Step 4: Simplify right side
    15,658.60x = 123,960,786.11
  5. Step 5: Solve for x
    x = 123,960,786.11/15,658.60
  6. Step 6: Final answer
    x = 7,916.47

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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.