Home / 24,816.80-37,225.20-20,439.20

Finding the Fourth Proportional to 24,816.80, 37,225.20 and 20,439.20

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Solution

The fourth proportional to 24,816.80, 37,225.20 and 20,439.20 is: 30,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,816.80 : 37,225.20 = 20,439.20 : x
  2. Step 2: Convert to fraction form
    24,816.80/37,225.20 = 20,439.20/x
  3. Step 3: Cross multiply
    24,816.80x = 37,225.20 × 20,439.20
  4. Step 4: Simplify right side
    24,816.80x = 760,853,307.84
  5. Step 5: Solve for x
    x = 760,853,307.84/24,816.80
  6. Step 6: Final answer
    x = 30,658.80

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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.