Home / 13,531.38-18,672.84-7,562.94

Finding the Fourth Proportional to 13,531.38, 18,672.84 and 7,562.94

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Solution

The fourth proportional to 13,531.38, 18,672.84 and 7,562.94 is: 10,436.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.38 : 18,672.84 = 7,562.94 : x
  2. Step 2: Convert to fraction form
    13,531.38/18,672.84 = 7,562.94/x
  3. Step 3: Cross multiply
    13,531.38x = 18,672.84 × 7,562.94
  4. Step 4: Simplify right side
    13,531.38x = 141,221,568.55
  5. Step 5: Solve for x
    x = 141,221,568.55/13,531.38
  6. Step 6: Final answer
    x = 10,436.60

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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.