Home / 33,132.96-45,726.12-18,987.12

Finding the Fourth Proportional to 33,132.96, 45,726.12 and 18,987.12

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Solution

The fourth proportional to 33,132.96, 45,726.12 and 18,987.12 is: 26,203.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,132.96 : 45,726.12 = 18,987.12 : x
  2. Step 2: Convert to fraction form
    33,132.96/45,726.12 = 18,987.12/x
  3. Step 3: Cross multiply
    33,132.96x = 45,726.12 × 18,987.12
  4. Step 4: Simplify right side
    33,132.96x = 868,207,327.57
  5. Step 5: Solve for x
    x = 868,207,327.57/33,132.96
  6. Step 6: Final answer
    x = 26,203.74

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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.