Home / 16,478.62-22,740.37-8,924.78

Finding the Fourth Proportional to 16,478.62, 22,740.37 and 8,924.78

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Solution

The fourth proportional to 16,478.62, 22,740.37 and 8,924.78 is: 12,316.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,478.62 : 22,740.37 = 8,924.78 : x
  2. Step 2: Convert to fraction form
    16,478.62/22,740.37 = 8,924.78/x
  3. Step 3: Cross multiply
    16,478.62x = 22,740.37 × 8,924.78
  4. Step 4: Simplify right side
    16,478.62x = 202,952,799.37
  5. Step 5: Solve for x
    x = 202,952,799.37/16,478.62
  6. Step 6: Final answer
    x = 12,316.13

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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.