Home / 22,431.38-33,643.40-15,837.57

Finding the Fourth Proportional to 22,431.38, 33,643.40 and 15,837.57

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Solution

The fourth proportional to 22,431.38, 33,643.40 and 15,837.57 is: 23,753.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,431.38 : 33,643.40 = 15,837.57 : x
  2. Step 2: Convert to fraction form
    22,431.38/33,643.40 = 15,837.57/x
  3. Step 3: Cross multiply
    22,431.38x = 33,643.40 × 15,837.57
  4. Step 4: Simplify right side
    22,431.38x = 532,829,623.35
  5. Step 5: Solve for x
    x = 532,829,623.35/22,431.38
  6. Step 6: Final answer
    x = 23,753.77

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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.