Home / 17,776.43-26,648.15-6,690.47

Finding the Fourth Proportional to 17,776.43, 26,648.15 and 6,690.47

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Solution

The fourth proportional to 17,776.43, 26,648.15 and 6,690.47 is: 10,029.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,776.43 : 26,648.15 = 6,690.47 : x
  2. Step 2: Convert to fraction form
    17,776.43/26,648.15 = 6,690.47/x
  3. Step 3: Cross multiply
    17,776.43x = 26,648.15 × 6,690.47
  4. Step 4: Simplify right side
    17,776.43x = 178,288,648.13
  5. Step 5: Solve for x
    x = 178,288,648.13/17,776.43
  6. Step 6: Final answer
    x = 10,029.50

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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.