Home / 53,324.10-79,987.50-13,883.04

Finding the Fourth Proportional to 53,324.10, 79,987.50 and 13,883.04

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Solution

The fourth proportional to 53,324.10, 79,987.50 and 13,883.04 is: 20,824.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,324.10 : 79,987.50 = 13,883.04 : x
  2. Step 2: Convert to fraction form
    53,324.10/79,987.50 = 13,883.04/x
  3. Step 3: Cross multiply
    53,324.10x = 79,987.50 × 13,883.04
  4. Step 4: Simplify right side
    53,324.10x = 1,110,469,662
  5. Step 5: Solve for x
    x = 1,110,469,662/53,324.10
  6. Step 6: Final answer
    x = 20,824.91

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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.