Home / 25,434.65-38,162.91-12,296.90

Finding the Fourth Proportional to 25,434.65, 38,162.91 and 12,296.90

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Solution

The fourth proportional to 25,434.65, 38,162.91 and 12,296.90 is: 18,450.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,434.65 : 38,162.91 = 12,296.90 : x
  2. Step 2: Convert to fraction form
    25,434.65/38,162.91 = 12,296.90/x
  3. Step 3: Cross multiply
    25,434.65x = 38,162.91 × 12,296.90
  4. Step 4: Simplify right side
    25,434.65x = 469,285,487.98
  5. Step 5: Solve for x
    x = 469,285,487.98/25,434.65
  6. Step 6: Final answer
    x = 18,450.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.