Home / 18,257.36-25,193.72-10,702.68

Finding the Fourth Proportional to 18,257.36, 25,193.72 and 10,702.68

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Solution

The fourth proportional to 18,257.36, 25,193.72 and 10,702.68 is: 14,768.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.36 : 25,193.72 = 10,702.68 : x
  2. Step 2: Convert to fraction form
    18,257.36/25,193.72 = 10,702.68/x
  3. Step 3: Cross multiply
    18,257.36x = 25,193.72 × 10,702.68
  4. Step 4: Simplify right side
    18,257.36x = 269,640,323.17
  5. Step 5: Solve for x
    x = 269,640,323.17/18,257.36
  6. Step 6: Final answer
    x = 14,768.86

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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.