Home / 14,456.70-21,648.60-10,738.80

Finding the Fourth Proportional to 14,456.70, 21,648.60 and 10,738.80

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Solution

The fourth proportional to 14,456.70, 21,648.60 and 10,738.80 is: 16,081.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456.70 : 21,648.60 = 10,738.80 : x
  2. Step 2: Convert to fraction form
    14,456.70/21,648.60 = 10,738.80/x
  3. Step 3: Cross multiply
    14,456.70x = 21,648.60 × 10,738.80
  4. Step 4: Simplify right side
    14,456.70x = 232,479,985.68
  5. Step 5: Solve for x
    x = 232,479,985.68/14,456.70
  6. Step 6: Final answer
    x = 16,081.12

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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.