Home / 27,067.69-37,350.35-15,130.63

Finding the Fourth Proportional to 27,067.69, 37,350.35 and 15,130.63

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Solution

The fourth proportional to 27,067.69, 37,350.35 and 15,130.63 is: 20,878.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,067.69 : 37,350.35 = 15,130.63 : x
  2. Step 2: Convert to fraction form
    27,067.69/37,350.35 = 15,130.63/x
  3. Step 3: Cross multiply
    27,067.69x = 37,350.35 × 15,130.63
  4. Step 4: Simplify right side
    27,067.69x = 565,134,139.47
  5. Step 5: Solve for x
    x = 565,134,139.47/27,067.69
  6. Step 6: Final answer
    x = 20,878.55

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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.