Home / 29,403.32-40,576.09-15,974.78

Finding the Fourth Proportional to 29,403.32, 40,576.09 and 15,974.78

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Solution

The fourth proportional to 29,403.32, 40,576.09 and 15,974.78 is: 22,044.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,403.32 : 40,576.09 = 15,974.78 : x
  2. Step 2: Convert to fraction form
    29,403.32/40,576.09 = 15,974.78/x
  3. Step 3: Cross multiply
    29,403.32x = 40,576.09 × 15,974.78
  4. Step 4: Simplify right side
    29,403.32x = 648,194,111.01
  5. Step 5: Solve for x
    x = 648,194,111.01/29,403.32
  6. Step 6: Final answer
    x = 22,044.93

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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.