Home / 15,928.55-23,895.85-5,255.55

Finding the Fourth Proportional to 15,928.55, 23,895.85 and 5,255.55

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Solution

The fourth proportional to 15,928.55, 23,895.85 and 5,255.55 is: 7,884.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,928.55 : 23,895.85 = 5,255.55 : x
  2. Step 2: Convert to fraction form
    15,928.55/23,895.85 = 5,255.55/x
  3. Step 3: Cross multiply
    15,928.55x = 23,895.85 × 5,255.55
  4. Step 4: Simplify right side
    15,928.55x = 125,585,834.47
  5. Step 5: Solve for x
    x = 125,585,834.47/15,928.55
  6. Step 6: Final answer
    x = 7,884.32

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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.