Home / 29,402.64-40,576.40-15,974.66

Finding the Fourth Proportional to 29,402.64, 40,576.40 and 15,974.66

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Solution

The fourth proportional to 29,402.64, 40,576.40 and 15,974.66 is: 22,045.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,402.64 : 40,576.40 = 15,974.66 : x
  2. Step 2: Convert to fraction form
    29,402.64/40,576.40 = 15,974.66/x
  3. Step 3: Cross multiply
    29,402.64x = 40,576.40 × 15,974.66
  4. Step 4: Simplify right side
    29,402.64x = 648,193,911.27
  5. Step 5: Solve for x
    x = 648,193,911.27/29,402.64
  6. Step 6: Final answer
    x = 22,045.43

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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.