Home / 27,137.48-37,428.66-18,182.12

Finding the Fourth Proportional to 27,137.48, 37,428.66 and 18,182.12

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Solution

The fourth proportional to 27,137.48, 37,428.66 and 18,182.12 is: 25,077.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,137.48 : 37,428.66 = 18,182.12 : x
  2. Step 2: Convert to fraction form
    27,137.48/37,428.66 = 18,182.12/x
  3. Step 3: Cross multiply
    27,137.48x = 37,428.66 × 18,182.12
  4. Step 4: Simplify right side
    27,137.48x = 680,532,387.56
  5. Step 5: Solve for x
    x = 680,532,387.56/27,137.48
  6. Step 6: Final answer
    x = 25,077.21

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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.