Home / 29,375.85-40,538.70-15,947.10

Finding the Fourth Proportional to 29,375.85, 40,538.70 and 15,947.10

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Solution

The fourth proportional to 29,375.85, 40,538.70 and 15,947.10 is: 22,007.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,375.85 : 40,538.70 = 15,947.10 : x
  2. Step 2: Convert to fraction form
    29,375.85/40,538.70 = 15,947.10/x
  3. Step 3: Cross multiply
    29,375.85x = 40,538.70 × 15,947.10
  4. Step 4: Simplify right side
    29,375.85x = 646,474,702.77
  5. Step 5: Solve for x
    x = 646,474,702.77/29,375.85
  6. Step 6: Final answer
    x = 22,007.01

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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.