Home / 12,626.75-17,432.39-11,225.63

Finding the Fourth Proportional to 12,626.75, 17,432.39 and 11,225.63

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Solution

The fourth proportional to 12,626.75, 17,432.39 and 11,225.63 is: 15,498.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,626.75 : 17,432.39 = 11,225.63 : x
  2. Step 2: Convert to fraction form
    12,626.75/17,432.39 = 11,225.63/x
  3. Step 3: Cross multiply
    12,626.75x = 17,432.39 × 11,225.63
  4. Step 4: Simplify right side
    12,626.75x = 195,689,524.33
  5. Step 5: Solve for x
    x = 195,689,524.33/12,626.75
  6. Step 6: Final answer
    x = 15,498.01

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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.