Home / 27,065.46-37,350.48-15,129.30

Finding the Fourth Proportional to 27,065.46, 37,350.48 and 15,129.30

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Solution

The fourth proportional to 27,065.46, 37,350.48 and 15,129.30 is: 20,878.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,065.46 : 37,350.48 = 15,129.30 : x
  2. Step 2: Convert to fraction form
    27,065.46/37,350.48 = 15,129.30/x
  3. Step 3: Cross multiply
    27,065.46x = 37,350.48 × 15,129.30
  4. Step 4: Simplify right side
    27,065.46x = 565,086,617.06
  5. Step 5: Solve for x
    x = 565,086,617.06/27,065.46
  6. Step 6: Final answer
    x = 20,878.52

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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.