Home / 27,145.62-37,458.45-15,209.46

Finding the Fourth Proportional to 27,145.62, 37,458.45 and 15,209.46

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Solution

The fourth proportional to 27,145.62, 37,458.45 and 15,209.46 is: 20,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,145.62 : 37,458.45 = 15,209.46 : x
  2. Step 2: Convert to fraction form
    27,145.62/37,458.45 = 15,209.46/x
  3. Step 3: Cross multiply
    27,145.62x = 37,458.45 × 15,209.46
  4. Step 4: Simplify right side
    27,145.62x = 569,722,796.94
  5. Step 5: Solve for x
    x = 569,722,796.94/27,145.62
  6. Step 6: Final answer
    x = 20,987.65

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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.