Home / 33,130.56-45,705.11-19,694.18

Finding the Fourth Proportional to 33,130.56, 45,705.11 and 19,694.18

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Solution

The fourth proportional to 33,130.56, 45,705.11 and 19,694.18 is: 27,169.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,130.56 : 45,705.11 = 19,694.18 : x
  2. Step 2: Convert to fraction form
    33,130.56/45,705.11 = 19,694.18/x
  3. Step 3: Cross multiply
    33,130.56x = 45,705.11 × 19,694.18
  4. Step 4: Simplify right side
    33,130.56x = 900,124,826.76
  5. Step 5: Solve for x
    x = 900,124,826.76/33,130.56
  6. Step 6: Final answer
    x = 27,169.02

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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.