Home / 13,368.18-20,052.25-5,474.38

Finding the Fourth Proportional to 13,368.18, 20,052.25 and 5,474.38

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Solution

The fourth proportional to 13,368.18, 20,052.25 and 5,474.38 is: 8,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.18 : 20,052.25 = 5,474.38 : x
  2. Step 2: Convert to fraction form
    13,368.18/20,052.25 = 5,474.38/x
  3. Step 3: Cross multiply
    13,368.18x = 20,052.25 × 5,474.38
  4. Step 4: Simplify right side
    13,368.18x = 109,773,572.54
  5. Step 5: Solve for x
    x = 109,773,572.54/13,368.18
  6. Step 6: Final answer
    x = 8,211.55

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1.5x scale

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.