Home / 13,417.40-20,126.10-5,524.16

Finding the Fourth Proportional to 13,417.40, 20,126.10 and 5,524.16

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Solution

The fourth proportional to 13,417.40, 20,126.10 and 5,524.16 is: 8,286.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.40 : 20,126.10 = 5,524.16 : x
  2. Step 2: Convert to fraction form
    13,417.40/20,126.10 = 5,524.16/x
  3. Step 3: Cross multiply
    13,417.40x = 20,126.10 × 5,524.16
  4. Step 4: Simplify right side
    13,417.40x = 111,179,695.95
  5. Step 5: Solve for x
    x = 111,179,695.95/13,417.40
  6. Step 6: Final answer
    x = 8,286.24

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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.