Home / 15,125.40-22,696.20-6,806.70

Finding the Fourth Proportional to 15,125.40, 22,696.20 and 6,806.70

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Solution

The fourth proportional to 15,125.40, 22,696.20 and 6,806.70 is: 10,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,125.40 : 22,696.20 = 6,806.70 : x
  2. Step 2: Convert to fraction form
    15,125.40/22,696.20 = 6,806.70/x
  3. Step 3: Cross multiply
    15,125.40x = 22,696.20 × 6,806.70
  4. Step 4: Simplify right side
    15,125.40x = 154,486,224.54
  5. Step 5: Solve for x
    x = 154,486,224.54/15,125.40
  6. Step 6: Final answer
    x = 10,213.70

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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.