Home / 45,673.60-68,521.36-14,508.88

Finding the Fourth Proportional to 45,673.60, 68,521.36 and 14,508.88

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Solution

The fourth proportional to 45,673.60, 68,521.36 and 14,508.88 is: 21,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,673.60 : 68,521.36 = 14,508.88 : x
  2. Step 2: Convert to fraction form
    45,673.60/68,521.36 = 14,508.88/x
  3. Step 3: Cross multiply
    45,673.60x = 68,521.36 × 14,508.88
  4. Step 4: Simplify right side
    45,673.60x = 994,168,189.68
  5. Step 5: Solve for x
    x = 994,168,189.68/45,673.60
  6. Step 6: Final answer
    x = 21,766.80

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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.