Home / 15,147.86-22,725.38-4,759.62

Finding the Fourth Proportional to 15,147.86, 22,725.38 and 4,759.62

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Solution

The fourth proportional to 15,147.86, 22,725.38 and 4,759.62 is: 7,140.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147.86 : 22,725.38 = 4,759.62 : x
  2. Step 2: Convert to fraction form
    15,147.86/22,725.38 = 4,759.62/x
  3. Step 3: Cross multiply
    15,147.86x = 22,725.38 × 4,759.62
  4. Step 4: Simplify right side
    15,147.86x = 108,164,173.16
  5. Step 5: Solve for x
    x = 108,164,173.16/15,147.86
  6. Step 6: Final answer
    x = 7,140.56

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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.