Home / 15,600.72-23,359.94-9,345.90

Finding the Fourth Proportional to 15,600.72, 23,359.94 and 9,345.90

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Solution

The fourth proportional to 15,600.72, 23,359.94 and 9,345.90 is: 13,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600.72 : 23,359.94 = 9,345.90 : x
  2. Step 2: Convert to fraction form
    15,600.72/23,359.94 = 9,345.90/x
  3. Step 3: Cross multiply
    15,600.72x = 23,359.94 × 9,345.90
  4. Step 4: Simplify right side
    15,600.72x = 218,319,663.25
  5. Step 5: Solve for x
    x = 218,319,663.25/15,600.72
  6. Step 6: Final answer
    x = 13,994.20

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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.