Home / 15,806.42-23,701.68-5,272.71

Finding the Fourth Proportional to 15,806.42, 23,701.68 and 5,272.71

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Solution

The fourth proportional to 15,806.42, 23,701.68 and 5,272.71 is: 7,906.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,806.42 : 23,701.68 = 5,272.71 : x
  2. Step 2: Convert to fraction form
    15,806.42/23,701.68 = 5,272.71/x
  3. Step 3: Cross multiply
    15,806.42x = 23,701.68 × 5,272.71
  4. Step 4: Simplify right side
    15,806.42x = 124,972,085.15
  5. Step 5: Solve for x
    x = 124,972,085.15/15,806.42
  6. Step 6: Final answer
    x = 7,906.41

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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.