Home / 33,113.34-45,694.13-19,685.70

Finding the Fourth Proportional to 33,113.34, 45,694.13 and 19,685.70

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Solution

The fourth proportional to 33,113.34, 45,694.13 and 19,685.70 is: 27,164.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,113.34 : 45,694.13 = 19,685.70 : x
  2. Step 2: Convert to fraction form
    33,113.34/45,694.13 = 19,685.70/x
  3. Step 3: Cross multiply
    33,113.34x = 45,694.13 × 19,685.70
  4. Step 4: Simplify right side
    33,113.34x = 899,520,836.51
  5. Step 5: Solve for x
    x = 899,520,836.51/33,113.34
  6. Step 6: Final answer
    x = 27,164.91

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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.