Home / 23,073.81-31,854.11-18,486.59

Finding the Fourth Proportional to 23,073.81, 31,854.11 and 18,486.59

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Solution

The fourth proportional to 23,073.81, 31,854.11 and 18,486.59 is: 25,521.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,073.81 : 31,854.11 = 18,486.59 : x
  2. Step 2: Convert to fraction form
    23,073.81/31,854.11 = 18,486.59/x
  3. Step 3: Cross multiply
    23,073.81x = 31,854.11 × 18,486.59
  4. Step 4: Simplify right side
    23,073.81x = 588,873,619.68
  5. Step 5: Solve for x
    x = 588,873,619.68/23,073.81
  6. Step 6: Final answer
    x = 25,521.30

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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.