Home / 33,143.01-45,737.37-18,995.87

Finding the Fourth Proportional to 33,143.01, 45,737.37 and 18,995.87

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Solution

The fourth proportional to 33,143.01, 45,737.37 and 18,995.87 is: 26,214.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,143.01 : 45,737.37 = 18,995.87 : x
  2. Step 2: Convert to fraction form
    33,143.01/45,737.37 = 18,995.87/x
  3. Step 3: Cross multiply
    33,143.01x = 45,737.37 × 18,995.87
  4. Step 4: Simplify right side
    33,143.01x = 868,821,134.66
  5. Step 5: Solve for x
    x = 868,821,134.66/33,143.01
  6. Step 6: Final answer
    x = 26,214.31

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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.