Home / 15,954.78-22,016.01-9,242.57

Finding the Fourth Proportional to 15,954.78, 22,016.01 and 9,242.57

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Solution

The fourth proportional to 15,954.78, 22,016.01 and 9,242.57 is: 12,753.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,954.78 : 22,016.01 = 9,242.57 : x
  2. Step 2: Convert to fraction form
    15,954.78/22,016.01 = 9,242.57/x
  3. Step 3: Cross multiply
    15,954.78x = 22,016.01 × 9,242.57
  4. Step 4: Simplify right side
    15,954.78x = 203,484,603.25
  5. Step 5: Solve for x
    x = 203,484,603.25/15,954.78
  6. Step 6: Final answer
    x = 12,753.83

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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.