Home / 17,727.10-26,590.65-15,540.10

Finding the Fourth Proportional to 17,727.10, 26,590.65 and 15,540.10

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Solution

The fourth proportional to 17,727.10, 26,590.65 and 15,540.10 is: 23,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,727.10 : 26,590.65 = 15,540.10 : x
  2. Step 2: Convert to fraction form
    17,727.10/26,590.65 = 15,540.10/x
  3. Step 3: Cross multiply
    17,727.10x = 26,590.65 × 15,540.10
  4. Step 4: Simplify right side
    17,727.10x = 413,221,360.07
  5. Step 5: Solve for x
    x = 413,221,360.07/17,727.10
  6. Step 6: Final answer
    x = 23,310.15

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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.