Home / 29,372.10-40,533.60-15,943.35

Finding the Fourth Proportional to 29,372.10, 40,533.60 and 15,943.35

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Solution

The fourth proportional to 29,372.10, 40,533.60 and 15,943.35 is: 22,001.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,372.10 : 40,533.60 = 15,943.35 : x
  2. Step 2: Convert to fraction form
    29,372.10/40,533.60 = 15,943.35/x
  3. Step 3: Cross multiply
    29,372.10x = 40,533.60 × 15,943.35
  4. Step 4: Simplify right side
    29,372.10x = 646,241,371.56
  5. Step 5: Solve for x
    x = 646,241,371.56/29,372.10
  6. Step 6: Final answer
    x = 22,001.88

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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.