Home / 17,981.42-26,976.20-5,503.19

Finding the Fourth Proportional to 17,981.42, 26,976.20 and 5,503.19

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Solution

The fourth proportional to 17,981.42, 26,976.20 and 5,503.19 is: 8,256.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,981.42 : 26,976.20 = 5,503.19 : x
  2. Step 2: Convert to fraction form
    17,981.42/26,976.20 = 5,503.19/x
  3. Step 3: Cross multiply
    17,981.42x = 26,976.20 × 5,503.19
  4. Step 4: Simplify right side
    17,981.42x = 148,454,991.68
  5. Step 5: Solve for x
    x = 148,454,991.68/17,981.42
  6. Step 6: Final answer
    x = 8,256.02

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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.