Home / 33,134.54-45,724.23-18,988.70

Finding the Fourth Proportional to 33,134.54, 45,724.23 and 18,988.70

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Solution

The fourth proportional to 33,134.54, 45,724.23 and 18,988.70 is: 26,203.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,134.54 : 45,724.23 = 18,988.70 : x
  2. Step 2: Convert to fraction form
    33,134.54/45,724.23 = 18,988.70/x
  3. Step 3: Cross multiply
    33,134.54x = 45,724.23 × 18,988.70
  4. Step 4: Simplify right side
    33,134.54x = 868,243,686.20
  5. Step 5: Solve for x
    x = 868,243,686.20/33,134.54
  6. Step 6: Final answer
    x = 26,203.58

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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.