Home / 18,834.12-25,991.29-10,335.99

Finding the Fourth Proportional to 18,834.12, 25,991.29 and 10,335.99

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Solution

The fourth proportional to 18,834.12, 25,991.29 and 10,335.99 is: 14,263.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.12 : 25,991.29 = 10,335.99 : x
  2. Step 2: Convert to fraction form
    18,834.12/25,991.29 = 10,335.99/x
  3. Step 3: Cross multiply
    18,834.12x = 25,991.29 × 10,335.99
  4. Step 4: Simplify right side
    18,834.12x = 268,645,713.53
  5. Step 5: Solve for x
    x = 268,645,713.53/18,834.12
  6. Step 6: Final answer
    x = 14,263.78

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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.