Home / 15,712.96-23,564.46-5,322.28

Finding the Fourth Proportional to 15,712.96, 23,564.46 and 5,322.28

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Solution

The fourth proportional to 15,712.96, 23,564.46 and 5,322.28 is: 7,981.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,712.96 : 23,564.46 = 5,322.28 : x
  2. Step 2: Convert to fraction form
    15,712.96/23,564.46 = 5,322.28/x
  3. Step 3: Cross multiply
    15,712.96x = 23,564.46 × 5,322.28
  4. Step 4: Simplify right side
    15,712.96x = 125,416,654.17
  5. Step 5: Solve for x
    x = 125,416,654.17/15,712.96
  6. Step 6: Final answer
    x = 7,981.73

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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.