Home / 13,531.22-18,673.95-7,562.91

Finding the Fourth Proportional to 13,531.22, 18,673.95 and 7,562.91

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Solution

The fourth proportional to 13,531.22, 18,673.95 and 7,562.91 is: 10,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.22 : 18,673.95 = 7,562.91 : x
  2. Step 2: Convert to fraction form
    13,531.22/18,673.95 = 7,562.91/x
  3. Step 3: Cross multiply
    13,531.22x = 18,673.95 × 7,562.91
  4. Step 4: Simplify right side
    13,531.22x = 141,229,431.56
  5. Step 5: Solve for x
    x = 141,229,431.56/13,531.22
  6. Step 6: Final answer
    x = 10,437.30

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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.