Home / 23,001.56-31,732.32-15,029.94

Finding the Fourth Proportional to 23,001.56, 31,732.32 and 15,029.94

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Solution

The fourth proportional to 23,001.56, 31,732.32 and 15,029.94 is: 20,734.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,001.56 : 31,732.32 = 15,029.94 : x
  2. Step 2: Convert to fraction form
    23,001.56/31,732.32 = 15,029.94/x
  3. Step 3: Cross multiply
    23,001.56x = 31,732.32 × 15,029.94
  4. Step 4: Simplify right side
    23,001.56x = 476,934,865.66
  5. Step 5: Solve for x
    x = 476,934,865.66/23,001.56
  6. Step 6: Final answer
    x = 20,734.89

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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.