Home / 27,195.90-40,779.72-9,663.18

Finding the Fourth Proportional to 27,195.90, 40,779.72 and 9,663.18

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Solution

The fourth proportional to 27,195.90, 40,779.72 and 9,663.18 is: 14,489.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,195.90 : 40,779.72 = 9,663.18 : x
  2. Step 2: Convert to fraction form
    27,195.90/40,779.72 = 9,663.18/x
  3. Step 3: Cross multiply
    27,195.90x = 40,779.72 × 9,663.18
  4. Step 4: Simplify right side
    27,195.90x = 394,061,774.71
  5. Step 5: Solve for x
    x = 394,061,774.71/27,195.90
  6. Step 6: Final answer
    x = 14,489.75

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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.