Home / 18,834.10-25,990.89-10,335.97

Finding the Fourth Proportional to 18,834.10, 25,990.89 and 10,335.97

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Solution

The fourth proportional to 18,834.10, 25,990.89 and 10,335.97 is: 14,263.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.10 : 25,990.89 = 10,335.97 : x
  2. Step 2: Convert to fraction form
    18,834.10/25,990.89 = 10,335.97/x
  3. Step 3: Cross multiply
    18,834.10x = 25,990.89 × 10,335.97
  4. Step 4: Simplify right side
    18,834.10x = 268,641,059.31
  5. Step 5: Solve for x
    x = 268,641,059.31/18,834.10
  6. Step 6: Final answer
    x = 14,263.55

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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.