Home / 27,909.18-41,798.16-13,086.18

Finding the Fourth Proportional to 27,909.18, 41,798.16 and 13,086.18

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Solution

The fourth proportional to 27,909.18, 41,798.16 and 13,086.18 is: 19,598.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,909.18 : 41,798.16 = 13,086.18 : x
  2. Step 2: Convert to fraction form
    27,909.18/41,798.16 = 13,086.18/x
  3. Step 3: Cross multiply
    27,909.18x = 41,798.16 × 13,086.18
  4. Step 4: Simplify right side
    27,909.18x = 546,978,245.43
  5. Step 5: Solve for x
    x = 546,978,245.43/27,909.18
  6. Step 6: Final answer
    x = 19,598.51

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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.