Home / 25,200.34-34,778.63-13,872.08

Finding the Fourth Proportional to 25,200.34, 34,778.63 and 13,872.08

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Solution

The fourth proportional to 25,200.34, 34,778.63 and 13,872.08 is: 19,144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,200.34 : 34,778.63 = 13,872.08 : x
  2. Step 2: Convert to fraction form
    25,200.34/34,778.63 = 13,872.08/x
  3. Step 3: Cross multiply
    25,200.34x = 34,778.63 × 13,872.08
  4. Step 4: Simplify right side
    25,200.34x = 482,451,937.65
  5. Step 5: Solve for x
    x = 482,451,937.65/25,200.34
  6. Step 6: Final answer
    x = 19,144.66

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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.