Home / 14,617.40-20,200.20-11,074.46

Finding the Fourth Proportional to 14,617.40, 20,200.20 and 11,074.46

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Solution

The fourth proportional to 14,617.40, 20,200.20 and 11,074.46 is: 15,304.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.40 : 20,200.20 = 11,074.46 : x
  2. Step 2: Convert to fraction form
    14,617.40/20,200.20 = 11,074.46/x
  3. Step 3: Cross multiply
    14,617.40x = 20,200.20 × 11,074.46
  4. Step 4: Simplify right side
    14,617.40x = 223,706,306.89
  5. Step 5: Solve for x
    x = 223,706,306.89/14,617.40
  6. Step 6: Final answer
    x = 15,304.11

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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.