Home / 27,130.86-37,434.06-15,793.47

Finding the Fourth Proportional to 27,130.86, 37,434.06 and 15,793.47

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Solution

The fourth proportional to 27,130.86, 37,434.06 and 15,793.47 is: 21,791.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,130.86 : 37,434.06 = 15,793.47 : x
  2. Step 2: Convert to fraction form
    27,130.86/37,434.06 = 15,793.47/x
  3. Step 3: Cross multiply
    27,130.86x = 37,434.06 × 15,793.47
  4. Step 4: Simplify right side
    27,130.86x = 591,213,703.59
  5. Step 5: Solve for x
    x = 591,213,703.59/27,130.86
  6. Step 6: Final answer
    x = 21,791.19

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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.