Home / 27,182.13-37,520.55-17,127.42

Finding the Fourth Proportional to 27,182.13, 37,520.55 and 17,127.42

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Solution

The fourth proportional to 27,182.13, 37,520.55 and 17,127.42 is: 23,641.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,182.13 : 37,520.55 = 17,127.42 : x
  2. Step 2: Convert to fraction form
    27,182.13/37,520.55 = 17,127.42/x
  3. Step 3: Cross multiply
    27,182.13x = 37,520.55 × 17,127.42
  4. Step 4: Simplify right side
    27,182.13x = 642,630,218.48
  5. Step 5: Solve for x
    x = 642,630,218.48/27,182.13
  6. Step 6: Final answer
    x = 23,641.64

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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.