Home / 13,531.19-18,672.99-7,562.85

Finding the Fourth Proportional to 13,531.19, 18,672.99 and 7,562.85

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Solution

The fourth proportional to 13,531.19, 18,672.99 and 7,562.85 is: 10,436.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.19 : 18,672.99 = 7,562.85 : x
  2. Step 2: Convert to fraction form
    13,531.19/18,672.99 = 7,562.85/x
  3. Step 3: Cross multiply
    13,531.19x = 18,672.99 × 7,562.85
  4. Step 4: Simplify right side
    13,531.19x = 141,221,022.42
  5. Step 5: Solve for x
    x = 141,221,022.42/13,531.19
  6. Step 6: Final answer
    x = 10,436.70

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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.