Home / 27,642.44-38,135.75-17,013.62

Finding the Fourth Proportional to 27,642.44, 38,135.75 and 17,013.62

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Solution

The fourth proportional to 27,642.44, 38,135.75 and 17,013.62 is: 23,472.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,642.44 : 38,135.75 = 17,013.62 : x
  2. Step 2: Convert to fraction form
    27,642.44/38,135.75 = 17,013.62/x
  3. Step 3: Cross multiply
    27,642.44x = 38,135.75 × 17,013.62
  4. Step 4: Simplify right side
    27,642.44x = 648,827,169.19
  5. Step 5: Solve for x
    x = 648,827,169.19/27,642.44
  6. Step 6: Final answer
    x = 23,472.14

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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.