Home / 27,645.56-38,150.58-15,070.04

Finding the Fourth Proportional to 27,645.56, 38,150.58 and 15,070.04

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Solution

The fourth proportional to 27,645.56, 38,150.58 and 15,070.04 is: 20,796.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,645.56 : 38,150.58 = 15,070.04 : x
  2. Step 2: Convert to fraction form
    27,645.56/38,150.58 = 15,070.04/x
  3. Step 3: Cross multiply
    27,645.56x = 38,150.58 × 15,070.04
  4. Step 4: Simplify right side
    27,645.56x = 574,930,766.62
  5. Step 5: Solve for x
    x = 574,930,766.62/27,645.56
  6. Step 6: Final answer
    x = 20,796.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.