Home / 33,140.12-45,727.06-19,714.76

Finding the Fourth Proportional to 33,140.12, 45,727.06 and 19,714.76

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Solution

The fourth proportional to 33,140.12, 45,727.06 and 19,714.76 is: 27,202.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.12 : 45,727.06 = 19,714.76 : x
  2. Step 2: Convert to fraction form
    33,140.12/45,727.06 = 19,714.76/x
  3. Step 3: Cross multiply
    33,140.12x = 45,727.06 × 19,714.76
  4. Step 4: Simplify right side
    33,140.12x = 901,498,013.41
  5. Step 5: Solve for x
    x = 901,498,013.41/33,140.12
  6. Step 6: Final answer
    x = 27,202.62

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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.