Home / 42,191.84-63,287.76-11,027.12

Finding the Fourth Proportional to 42,191.84, 63,287.76 and 11,027.12

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Solution

The fourth proportional to 42,191.84, 63,287.76 and 11,027.12 is: 16,540.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,191.84 : 63,287.76 = 11,027.12 : x
  2. Step 2: Convert to fraction form
    42,191.84/63,287.76 = 11,027.12/x
  3. Step 3: Cross multiply
    42,191.84x = 63,287.76 × 11,027.12
  4. Step 4: Simplify right side
    42,191.84x = 697,881,724.05
  5. Step 5: Solve for x
    x = 697,881,724.05/42,191.84
  6. Step 6: Final answer
    x = 16,540.68

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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.