Home / 20,592.32-30,888.25-5,009.96

Finding the Fourth Proportional to 20,592.32, 30,888.25 and 5,009.96

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Solution

The fourth proportional to 20,592.32, 30,888.25 and 5,009.96 is: 7,514.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592.32 : 30,888.25 = 5,009.96 : x
  2. Step 2: Convert to fraction form
    20,592.32/30,888.25 = 5,009.96/x
  3. Step 3: Cross multiply
    20,592.32x = 30,888.25 × 5,009.96
  4. Step 4: Simplify right side
    20,592.32x = 154,748,896.97
  5. Step 5: Solve for x
    x = 154,748,896.97/20,592.32
  6. Step 6: Final answer
    x = 7,514.88

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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.