Home / 25,347.06-38,023.02-8,712.90

Finding the Fourth Proportional to 25,347.06, 38,023.02 and 8,712.90

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Solution

The fourth proportional to 25,347.06, 38,023.02 and 8,712.90 is: 13,070.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,347.06 : 38,023.02 = 8,712.90 : x
  2. Step 2: Convert to fraction form
    25,347.06/38,023.02 = 8,712.90/x
  3. Step 3: Cross multiply
    25,347.06x = 38,023.02 × 8,712.90
  4. Step 4: Simplify right side
    25,347.06x = 331,290,770.96
  5. Step 5: Solve for x
    x = 331,290,770.96/25,347.06
  6. Step 6: Final answer
    x = 13,070.19

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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.