Home / 13,527.20-20,290.56-6,949.52

Finding the Fourth Proportional to 13,527.20, 20,290.56 and 6,949.52

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Solution

The fourth proportional to 13,527.20, 20,290.56 and 6,949.52 is: 10,424.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.20 : 20,290.56 = 6,949.52 : x
  2. Step 2: Convert to fraction form
    13,527.20/20,290.56 = 6,949.52/x
  3. Step 3: Cross multiply
    13,527.20x = 20,290.56 × 6,949.52
  4. Step 4: Simplify right side
    13,527.20x = 141,009,652.53
  5. Step 5: Solve for x
    x = 141,009,652.53/13,527.20
  6. Step 6: Final answer
    x = 10,424.16

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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.