Home / 15,268.16-22,912.50-5,407.40

Finding the Fourth Proportional to 15,268.16, 22,912.50 and 5,407.40

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Solution

The fourth proportional to 15,268.16, 22,912.50 and 5,407.40 is: 8,114.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268.16 : 22,912.50 = 5,407.40 : x
  2. Step 2: Convert to fraction form
    15,268.16/22,912.50 = 5,407.40/x
  3. Step 3: Cross multiply
    15,268.16x = 22,912.50 × 5,407.40
  4. Step 4: Simplify right side
    15,268.16x = 123,897,052.50
  5. Step 5: Solve for x
    x = 123,897,052.50/15,268.16
  6. Step 6: Final answer
    x = 8,114.73

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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.