Home / 27,614.86-38,108.55-15,039.66

Finding the Fourth Proportional to 27,614.86, 38,108.55 and 15,039.66

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Solution

The fourth proportional to 27,614.86, 38,108.55 and 15,039.66 is: 20,754.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,614.86 : 38,108.55 = 15,039.66 : x
  2. Step 2: Convert to fraction form
    27,614.86/38,108.55 = 15,039.66/x
  3. Step 3: Cross multiply
    27,614.86x = 38,108.55 × 15,039.66
  4. Step 4: Simplify right side
    27,614.86x = 573,139,635.09
  5. Step 5: Solve for x
    x = 573,139,635.09/27,614.86
  6. Step 6: Final answer
    x = 20,754.75

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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.