Home / 15,530.88-23,282.34-5,663.28

Finding the Fourth Proportional to 15,530.88, 23,282.34 and 5,663.28

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Solution

The fourth proportional to 15,530.88, 23,282.34 and 5,663.28 is: 8,489.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,530.88 : 23,282.34 = 5,663.28 : x
  2. Step 2: Convert to fraction form
    15,530.88/23,282.34 = 5,663.28/x
  3. Step 3: Cross multiply
    15,530.88x = 23,282.34 × 5,663.28
  4. Step 4: Simplify right side
    15,530.88x = 131,854,410.48
  5. Step 5: Solve for x
    x = 131,854,410.48/15,530.88
  6. Step 6: Final answer
    x = 8,489.82

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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.