Home / 15,825.55-23,724.33-13,500.49

Finding the Fourth Proportional to 15,825.55, 23,724.33 and 13,500.49

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Solution

The fourth proportional to 15,825.55, 23,724.33 and 13,500.49 is: 20,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,825.55 : 23,724.33 = 13,500.49 : x
  2. Step 2: Convert to fraction form
    15,825.55/23,724.33 = 13,500.49/x
  3. Step 3: Cross multiply
    15,825.55x = 23,724.33 × 13,500.49
  4. Step 4: Simplify right side
    15,825.55x = 320,290,079.92
  5. Step 5: Solve for x
    x = 320,290,079.92/15,825.55
  6. Step 6: Final answer
    x = 20,238.80

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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.