Home / 17,875.38-24,668.04-9,917.60

Finding the Fourth Proportional to 17,875.38, 24,668.04 and 9,917.60

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Solution

The fourth proportional to 17,875.38, 24,668.04 and 9,917.60 is: 13,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,875.38 : 24,668.04 = 9,917.60 : x
  2. Step 2: Convert to fraction form
    17,875.38/24,668.04 = 9,917.60/x
  3. Step 3: Cross multiply
    17,875.38x = 24,668.04 × 9,917.60
  4. Step 4: Simplify right side
    17,875.38x = 244,647,840.80
  5. Step 5: Solve for x
    x = 244,647,840.80/17,875.38
  6. Step 6: Final answer
    x = 13,686.30

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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.