Home / 24,106.80-36,152.10-8,520.78

Finding the Fourth Proportional to 24,106.80, 36,152.10 and 8,520.78

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Solution

The fourth proportional to 24,106.80, 36,152.10 and 8,520.78 is: 12,778.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,106.80 : 36,152.10 = 8,520.78 : x
  2. Step 2: Convert to fraction form
    24,106.80/36,152.10 = 8,520.78/x
  3. Step 3: Cross multiply
    24,106.80x = 36,152.10 × 8,520.78
  4. Step 4: Simplify right side
    24,106.80x = 308,044,090.64
  5. Step 5: Solve for x
    x = 308,044,090.64/24,106.80
  6. Step 6: Final answer
    x = 12,778.31

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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.