Home / 13,601.17-20,385.35-7,023.76

Finding the Fourth Proportional to 13,601.17, 20,385.35 and 7,023.76

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Solution

The fourth proportional to 13,601.17, 20,385.35 and 7,023.76 is: 10,527.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.17 : 20,385.35 = 7,023.76 : x
  2. Step 2: Convert to fraction form
    13,601.17/20,385.35 = 7,023.76/x
  3. Step 3: Cross multiply
    13,601.17x = 20,385.35 × 7,023.76
  4. Step 4: Simplify right side
    13,601.17x = 143,181,770.80
  5. Step 5: Solve for x
    x = 143,181,770.80/13,601.17
  6. Step 6: Final answer
    x = 10,527.17

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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.