Home / 18,813.06-25,959.30-10,853.82

Finding the Fourth Proportional to 18,813.06, 25,959.30 and 10,853.82

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Solution

The fourth proportional to 18,813.06, 25,959.30 and 10,853.82 is: 14,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,813.06 : 25,959.30 = 10,853.82 : x
  2. Step 2: Convert to fraction form
    18,813.06/25,959.30 = 10,853.82/x
  3. Step 3: Cross multiply
    18,813.06x = 25,959.30 × 10,853.82
  4. Step 4: Simplify right side
    18,813.06x = 281,757,569.53
  5. Step 5: Solve for x
    x = 281,757,569.53/18,813.06
  6. Step 6: Final answer
    x = 14,976.70

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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.