Home / 15,672.45-23,493.19-5,809.08

Finding the Fourth Proportional to 15,672.45, 23,493.19 and 5,809.08

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Solution

The fourth proportional to 15,672.45, 23,493.19 and 5,809.08 is: 8,707.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.45 : 23,493.19 = 5,809.08 : x
  2. Step 2: Convert to fraction form
    15,672.45/23,493.19 = 5,809.08/x
  3. Step 3: Cross multiply
    15,672.45x = 23,493.19 × 5,809.08
  4. Step 4: Simplify right side
    15,672.45x = 136,473,820.17
  5. Step 5: Solve for x
    x = 136,473,820.17/15,672.45
  6. Step 6: Final answer
    x = 8,707.88

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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.