Home / 18,294.50-25,246.78-10,118.36

Finding the Fourth Proportional to 18,294.50, 25,246.78 and 10,118.36

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Solution

The fourth proportional to 18,294.50, 25,246.78 and 10,118.36 is: 13,963.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294.50 : 25,246.78 = 10,118.36 : x
  2. Step 2: Convert to fraction form
    18,294.50/25,246.78 = 10,118.36/x
  3. Step 3: Cross multiply
    18,294.50x = 25,246.78 × 10,118.36
  4. Step 4: Simplify right side
    18,294.50x = 255,455,920.47
  5. Step 5: Solve for x
    x = 255,455,920.47/18,294.50
  6. Step 6: Final answer
    x = 13,963.54

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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.