Home / 24,256.80-36,385.20-21,243.60

Finding the Fourth Proportional to 24,256.80, 36,385.20 and 21,243.60

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Solution

The fourth proportional to 24,256.80, 36,385.20 and 21,243.60 is: 31,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,256.80 : 36,385.20 = 21,243.60 : x
  2. Step 2: Convert to fraction form
    24,256.80/36,385.20 = 21,243.60/x
  3. Step 3: Cross multiply
    24,256.80x = 36,385.20 × 21,243.60
  4. Step 4: Simplify right side
    24,256.80x = 772,952,634.72
  5. Step 5: Solve for x
    x = 772,952,634.72/24,256.80
  6. Step 6: Final answer
    x = 31,865.40

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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.