Home / 13,437.12-20,159.31-4,672.52

Finding the Fourth Proportional to 13,437.12, 20,159.31 and 4,672.52

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Solution

The fourth proportional to 13,437.12, 20,159.31 and 4,672.52 is: 7,010.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.12 : 20,159.31 = 4,672.52 : x
  2. Step 2: Convert to fraction form
    13,437.12/20,159.31 = 4,672.52/x
  3. Step 3: Cross multiply
    13,437.12x = 20,159.31 × 4,672.52
  4. Step 4: Simplify right side
    13,437.12x = 94,194,779.16
  5. Step 5: Solve for x
    x = 94,194,779.16/13,437.12
  6. Step 6: Final answer
    x = 7,010.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.