Home / 29,376.46-40,538.40-15,947.44

Finding the Fourth Proportional to 29,376.46, 40,538.40 and 15,947.44

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Solution

The fourth proportional to 29,376.46, 40,538.40 and 15,947.44 is: 22,006.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,376.46 : 40,538.40 = 15,947.44 : x
  2. Step 2: Convert to fraction form
    29,376.46/40,538.40 = 15,947.44/x
  3. Step 3: Cross multiply
    29,376.46x = 40,538.40 × 15,947.44
  4. Step 4: Simplify right side
    29,376.46x = 646,483,701.70
  5. Step 5: Solve for x
    x = 646,483,701.70/29,376.46
  6. Step 6: Final answer
    x = 22,006.86

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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.