Home / 18,979.35-26,176.93-14,517.87

Finding the Fourth Proportional to 18,979.35, 26,176.93 and 14,517.87

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Solution

The fourth proportional to 18,979.35, 26,176.93 and 14,517.87 is: 20,023.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979.35 : 26,176.93 = 14,517.87 : x
  2. Step 2: Convert to fraction form
    18,979.35/26,176.93 = 14,517.87/x
  3. Step 3: Cross multiply
    18,979.35x = 26,176.93 × 14,517.87
  4. Step 4: Simplify right side
    18,979.35x = 380,033,266.74
  5. Step 5: Solve for x
    x = 380,033,266.74/18,979.35
  6. Step 6: Final answer
    x = 20,023.51

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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.