Home / 27,998.10-41,948.55-18,132.30

Finding the Fourth Proportional to 27,998.10, 41,948.55 and 18,132.30

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Solution

The fourth proportional to 27,998.10, 41,948.55 and 18,132.30 is: 27,166.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,998.10 : 41,948.55 = 18,132.30 : x
  2. Step 2: Convert to fraction form
    27,998.10/41,948.55 = 18,132.30/x
  3. Step 3: Cross multiply
    27,998.10x = 41,948.55 × 18,132.30
  4. Step 4: Simplify right side
    27,998.10x = 760,623,693.17
  5. Step 5: Solve for x
    x = 760,623,693.17/27,998.10
  6. Step 6: Final answer
    x = 27,166.98

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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.