Home / 22,702.58-31,288.78-18,467.60

Finding the Fourth Proportional to 22,702.58, 31,288.78 and 18,467.60

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Solution

The fourth proportional to 22,702.58, 31,288.78 and 18,467.60 is: 25,452.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,702.58 : 31,288.78 = 18,467.60 : x
  2. Step 2: Convert to fraction form
    22,702.58/31,288.78 = 18,467.60/x
  3. Step 3: Cross multiply
    22,702.58x = 31,288.78 × 18,467.60
  4. Step 4: Simplify right side
    22,702.58x = 577,828,540.17
  5. Step 5: Solve for x
    x = 577,828,540.17/22,702.58
  6. Step 6: Final answer
    x = 25,452.11

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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.