Home / 17,243.52-23,747.20-15,688.32

Finding the Fourth Proportional to 17,243.52, 23,747.20 and 15,688.32

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Solution

The fourth proportional to 17,243.52, 23,747.20 and 15,688.32 is: 21,605.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,243.52 : 23,747.20 = 15,688.32 : x
  2. Step 2: Convert to fraction form
    17,243.52/23,747.20 = 15,688.32/x
  3. Step 3: Cross multiply
    17,243.52x = 23,747.20 × 15,688.32
  4. Step 4: Simplify right side
    17,243.52x = 372,553,672.70
  5. Step 5: Solve for x
    x = 372,553,672.70/17,243.52
  6. Step 6: Final answer
    x = 21,605.43

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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.