Home / 15,168.20-22,756.30-13,513.66

Finding the Fourth Proportional to 15,168.20, 22,756.30 and 13,513.66

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Solution

The fourth proportional to 15,168.20, 22,756.30 and 13,513.66 is: 20,274.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,168.20 : 22,756.30 = 13,513.66 : x
  2. Step 2: Convert to fraction form
    15,168.20/22,756.30 = 13,513.66/x
  3. Step 3: Cross multiply
    15,168.20x = 22,756.30 × 13,513.66
  4. Step 4: Simplify right side
    15,168.20x = 307,520,901.06
  5. Step 5: Solve for x
    x = 307,520,901.06/15,168.20
  6. Step 6: Final answer
    x = 20,274.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.