Home / 25,052.58-34,530.57-20,000.61

Finding the Fourth Proportional to 25,052.58, 34,530.57 and 20,000.61

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Solution

The fourth proportional to 25,052.58, 34,530.57 and 20,000.61 is: 27,567.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,052.58 : 34,530.57 = 20,000.61 : x
  2. Step 2: Convert to fraction form
    25,052.58/34,530.57 = 20,000.61/x
  3. Step 3: Cross multiply
    25,052.58x = 34,530.57 × 20,000.61
  4. Step 4: Simplify right side
    25,052.58x = 690,632,463.65
  5. Step 5: Solve for x
    x = 690,632,463.65/25,052.58
  6. Step 6: Final answer
    x = 27,567.32

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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.