Home / 13,304.18-18,340.14-8,523.56

Finding the Fourth Proportional to 13,304.18, 18,340.14 and 8,523.56

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Solution

The fourth proportional to 13,304.18, 18,340.14 and 8,523.56 is: 11,749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.18 : 18,340.14 = 8,523.56 : x
  2. Step 2: Convert to fraction form
    13,304.18/18,340.14 = 8,523.56/x
  3. Step 3: Cross multiply
    13,304.18x = 18,340.14 × 8,523.56
  4. Step 4: Simplify right side
    13,304.18x = 156,323,283.70
  5. Step 5: Solve for x
    x = 156,323,283.70/13,304.18
  6. Step 6: Final answer
    x = 11,749.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.