Home / 14,521.60-21,793.36-10,076.80

Finding the Fourth Proportional to 14,521.60, 21,793.36 and 10,076.80

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Solution

The fourth proportional to 14,521.60, 21,793.36 and 10,076.80 is: 15,122.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521.60 : 21,793.36 = 10,076.80 : x
  2. Step 2: Convert to fraction form
    14,521.60/21,793.36 = 10,076.80/x
  3. Step 3: Cross multiply
    14,521.60x = 21,793.36 × 10,076.80
  4. Step 4: Simplify right side
    14,521.60x = 219,607,330.05
  5. Step 5: Solve for x
    x = 219,607,330.05/14,521.60
  6. Step 6: Final answer
    x = 15,122.81

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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.