Home / 15,974.90-22,023.86-11,188.38

Finding the Fourth Proportional to 15,974.90, 22,023.86 and 11,188.38

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Solution

The fourth proportional to 15,974.90, 22,023.86 and 11,188.38 is: 15,424.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,974.90 : 22,023.86 = 11,188.38 : x
  2. Step 2: Convert to fraction form
    15,974.90/22,023.86 = 11,188.38/x
  3. Step 3: Cross multiply
    15,974.90x = 22,023.86 × 11,188.38
  4. Step 4: Simplify right side
    15,974.90x = 246,411,258.80
  5. Step 5: Solve for x
    x = 246,411,258.80/15,974.90
  6. Step 6: Final answer
    x = 15,424.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.