Home / 23,990.40-33,122.16-15,050.16

Finding the Fourth Proportional to 23,990.40, 33,122.16 and 15,050.16

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Solution

The fourth proportional to 23,990.40, 33,122.16 and 15,050.16 is: 20,778.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,990.40 : 33,122.16 = 15,050.16 : x
  2. Step 2: Convert to fraction form
    23,990.40/33,122.16 = 15,050.16/x
  3. Step 3: Cross multiply
    23,990.40x = 33,122.16 × 15,050.16
  4. Step 4: Simplify right side
    23,990.40x = 498,493,807.55
  5. Step 5: Solve for x
    x = 498,493,807.55/23,990.40
  6. Step 6: Final answer
    x = 20,778.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.