Home / 17,698.05-24,423.79-9,740.78

Finding the Fourth Proportional to 17,698.05, 24,423.79 and 9,740.78

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Solution

The fourth proportional to 17,698.05, 24,423.79 and 9,740.78 is: 13,442.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,698.05 : 24,423.79 = 9,740.78 : x
  2. Step 2: Convert to fraction form
    17,698.05/24,423.79 = 9,740.78/x
  3. Step 3: Cross multiply
    17,698.05x = 24,423.79 × 9,740.78
  4. Step 4: Simplify right side
    17,698.05x = 237,906,765.16
  5. Step 5: Solve for x
    x = 237,906,765.16/17,698.05
  6. Step 6: Final answer
    x = 13,442.54

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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.