Home / 40,902.14-61,353.18-13,200.14

Finding the Fourth Proportional to 40,902.14, 61,353.18 and 13,200.14

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Solution

The fourth proportional to 40,902.14, 61,353.18 and 13,200.14 is: 19,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,902.14 : 61,353.18 = 13,200.14 : x
  2. Step 2: Convert to fraction form
    40,902.14/61,353.18 = 13,200.14/x
  3. Step 3: Cross multiply
    40,902.14x = 61,353.18 × 13,200.14
  4. Step 4: Simplify right side
    40,902.14x = 809,870,565.45
  5. Step 5: Solve for x
    x = 809,870,565.45/40,902.14
  6. Step 6: Final answer
    x = 19,800.20

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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.