Home / 13,047.31-19,572.50-4,159.52

Finding the Fourth Proportional to 13,047.31, 19,572.50 and 4,159.52

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Solution

The fourth proportional to 13,047.31, 19,572.50 and 4,159.52 is: 6,239.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047.31 : 19,572.50 = 4,159.52 : x
  2. Step 2: Convert to fraction form
    13,047.31/19,572.50 = 4,159.52/x
  3. Step 3: Cross multiply
    13,047.31x = 19,572.50 × 4,159.52
  4. Step 4: Simplify right side
    13,047.31x = 81,412,191.13
  5. Step 5: Solve for x
    x = 81,412,191.13/13,047.31
  6. Step 6: Final answer
    x = 6,239.77

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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.