Home / 15,402.71-23,090.01-5,539.72

Finding the Fourth Proportional to 15,402.71, 23,090.01 and 5,539.72

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Solution

The fourth proportional to 15,402.71, 23,090.01 and 5,539.72 is: 8,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,402.71 : 23,090.01 = 5,539.72 : x
  2. Step 2: Convert to fraction form
    15,402.71/23,090.01 = 5,539.72/x
  3. Step 3: Cross multiply
    15,402.71x = 23,090.01 × 5,539.72
  4. Step 4: Simplify right side
    15,402.71x = 127,912,121.21
  5. Step 5: Solve for x
    x = 127,912,121.21/15,402.71
  6. Step 6: Final answer
    x = 8,304.52

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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.