Home / 25,035.75-34,549.05-13,705.11

Finding the Fourth Proportional to 25,035.75, 34,549.05 and 13,705.11

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Solution

The fourth proportional to 25,035.75, 34,549.05 and 13,705.11 is: 18,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,035.75 : 34,549.05 = 13,705.11 : x
  2. Step 2: Convert to fraction form
    25,035.75/34,549.05 = 13,705.11/x
  3. Step 3: Cross multiply
    25,035.75x = 34,549.05 × 13,705.11
  4. Step 4: Simplify right side
    25,035.75x = 473,498,530.65
  5. Step 5: Solve for x
    x = 473,498,530.65/25,035.75
  6. Step 6: Final answer
    x = 18,912.90

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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.