Home / 27,513.98-37,987.28-17,319.83

Finding the Fourth Proportional to 27,513.98, 37,987.28 and 17,319.83

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Solution

The fourth proportional to 27,513.98, 37,987.28 and 17,319.83 is: 23,912.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,513.98 : 37,987.28 = 17,319.83 : x
  2. Step 2: Convert to fraction form
    27,513.98/37,987.28 = 17,319.83/x
  3. Step 3: Cross multiply
    27,513.98x = 37,987.28 × 17,319.83
  4. Step 4: Simplify right side
    27,513.98x = 657,933,020.18
  5. Step 5: Solve for x
    x = 657,933,020.18/27,513.98
  6. Step 6: Final answer
    x = 23,912.68

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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.