Home / 27,656.96-38,165.34-16,919.70

Finding the Fourth Proportional to 27,656.96, 38,165.34 and 16,919.70

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Solution

The fourth proportional to 27,656.96, 38,165.34 and 16,919.70 is: 23,348.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,656.96 : 38,165.34 = 16,919.70 : x
  2. Step 2: Convert to fraction form
    27,656.96/38,165.34 = 16,919.70/x
  3. Step 3: Cross multiply
    27,656.96x = 38,165.34 × 16,919.70
  4. Step 4: Simplify right side
    27,656.96x = 645,746,103.20
  5. Step 5: Solve for x
    x = 645,746,103.20/27,656.96
  6. Step 6: Final answer
    x = 23,348.41

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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.