Home / 20,564.32-30,848.28-5,773.36

Finding the Fourth Proportional to 20,564.32, 30,848.28 and 5,773.36

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Solution

The fourth proportional to 20,564.32, 30,848.28 and 5,773.36 is: 8,660.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,564.32 : 30,848.28 = 5,773.36 : x
  2. Step 2: Convert to fraction form
    20,564.32/30,848.28 = 5,773.36/x
  3. Step 3: Cross multiply
    20,564.32x = 30,848.28 × 5,773.36
  4. Step 4: Simplify right side
    20,564.32x = 178,098,225.82
  5. Step 5: Solve for x
    x = 178,098,225.82/20,564.32
  6. Step 6: Final answer
    x = 8,660.55

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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.