Home / 45,515.25-68,225.97-17,427.63

Finding the Fourth Proportional to 45,515.25, 68,225.97 and 17,427.63

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Solution

The fourth proportional to 45,515.25, 68,225.97 and 17,427.63 is: 26,123.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,515.25 : 68,225.97 = 17,427.63 : x
  2. Step 2: Convert to fraction form
    45,515.25/68,225.97 = 17,427.63/x
  3. Step 3: Cross multiply
    45,515.25x = 68,225.97 × 17,427.63
  4. Step 4: Simplify right side
    45,515.25x = 1,189,016,961.55
  5. Step 5: Solve for x
    x = 1,189,016,961.55/45,515.25
  6. Step 6: Final answer
    x = 26,123.49

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.