Home / 18,867.77-26,064.07-17,871.32

Finding the Fourth Proportional to 18,867.77, 26,064.07 and 17,871.32

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Solution

The fourth proportional to 18,867.77, 26,064.07 and 17,871.32 is: 24,687.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,867.77 : 26,064.07 = 17,871.32 : x
  2. Step 2: Convert to fraction form
    18,867.77/26,064.07 = 17,871.32/x
  3. Step 3: Cross multiply
    18,867.77x = 26,064.07 × 17,871.32
  4. Step 4: Simplify right side
    18,867.77x = 465,799,294.17
  5. Step 5: Solve for x
    x = 465,799,294.17/18,867.77
  6. Step 6: Final answer
    x = 24,687.56

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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.