Home / 33,143.13-45,737.52-18,239.13

Finding the Fourth Proportional to 33,143.13, 45,737.52 and 18,239.13

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Solution

The fourth proportional to 33,143.13, 45,737.52 and 18,239.13 is: 25,170.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,143.13 : 45,737.52 = 18,239.13 : x
  2. Step 2: Convert to fraction form
    33,143.13/45,737.52 = 18,239.13/x
  3. Step 3: Cross multiply
    33,143.13x = 45,737.52 × 18,239.13
  4. Step 4: Simplify right side
    33,143.13x = 834,212,344.47
  5. Step 5: Solve for x
    x = 834,212,344.47/33,143.13
  6. Step 6: Final answer
    x = 25,170.00

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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.