Home / 18,981.09-26,194.17-10,483.80

Finding the Fourth Proportional to 18,981.09, 26,194.17 and 10,483.80

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Solution

The fourth proportional to 18,981.09, 26,194.17 and 10,483.80 is: 14,467.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,981.09 : 26,194.17 = 10,483.80 : x
  2. Step 2: Convert to fraction form
    18,981.09/26,194.17 = 10,483.80/x
  3. Step 3: Cross multiply
    18,981.09x = 26,194.17 × 10,483.80
  4. Step 4: Simplify right side
    18,981.09x = 274,614,439.45
  5. Step 5: Solve for x
    x = 274,614,439.45/18,981.09
  6. Step 6: Final answer
    x = 14,467.79

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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.