Home / 15,122.39-22,626.54-13,587.66

Finding the Fourth Proportional to 15,122.39, 22,626.54 and 13,587.66

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Solution

The fourth proportional to 15,122.39, 22,626.54 and 13,587.66 is: 20,330.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,122.39 : 22,626.54 = 13,587.66 : x
  2. Step 2: Convert to fraction form
    15,122.39/22,626.54 = 13,587.66/x
  3. Step 3: Cross multiply
    15,122.39x = 22,626.54 × 13,587.66
  4. Step 4: Simplify right side
    15,122.39x = 307,441,732.50
  5. Step 5: Solve for x
    x = 307,441,732.50/15,122.39
  6. Step 6: Final answer
    x = 20,330.24

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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.