Home / 27,190.11-40,780.29-7,199.73

Finding the Fourth Proportional to 27,190.11, 40,780.29 and 7,199.73

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Solution

The fourth proportional to 27,190.11, 40,780.29 and 7,199.73 is: 10,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,190.11 : 40,780.29 = 7,199.73 : x
  2. Step 2: Convert to fraction form
    27,190.11/40,780.29 = 7,199.73/x
  3. Step 3: Cross multiply
    27,190.11x = 40,780.29 × 7,199.73
  4. Step 4: Simplify right side
    27,190.11x = 293,607,077.32
  5. Step 5: Solve for x
    x = 293,607,077.32/27,190.11
  6. Step 6: Final answer
    x = 10,798.30

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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.