Home / 15,759.43-23,616.95-8,742.67

Finding the Fourth Proportional to 15,759.43, 23,616.95 and 8,742.67

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Solution

The fourth proportional to 15,759.43, 23,616.95 and 8,742.67 is: 13,101.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,759.43 : 23,616.95 = 8,742.67 : x
  2. Step 2: Convert to fraction form
    15,759.43/23,616.95 = 8,742.67/x
  3. Step 3: Cross multiply
    15,759.43x = 23,616.95 × 8,742.67
  4. Step 4: Simplify right side
    15,759.43x = 206,475,200.26
  5. Step 5: Solve for x
    x = 206,475,200.26/15,759.43
  6. Step 6: Final answer
    x = 13,101.69

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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.