Home / 21,948.80-32,923.20-5,532.80

Finding the Fourth Proportional to 21,948.80, 32,923.20 and 5,532.80

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Solution

The fourth proportional to 21,948.80, 32,923.20 and 5,532.80 is: 8,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948.80 : 32,923.20 = 5,532.80 : x
  2. Step 2: Convert to fraction form
    21,948.80/32,923.20 = 5,532.80/x
  3. Step 3: Cross multiply
    21,948.80x = 32,923.20 × 5,532.80
  4. Step 4: Simplify right side
    21,948.80x = 182,157,480.96
  5. Step 5: Solve for x
    x = 182,157,480.96/21,948.80
  6. Step 6: Final answer
    x = 8,299.20

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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.