Home / 25,662.36-38,514.28-10,881.66

Finding the Fourth Proportional to 25,662.36, 38,514.28 and 10,881.66

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Solution

The fourth proportional to 25,662.36, 38,514.28 and 10,881.66 is: 16,331.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,662.36 : 38,514.28 = 10,881.66 : x
  2. Step 2: Convert to fraction form
    25,662.36/38,514.28 = 10,881.66/x
  3. Step 3: Cross multiply
    25,662.36x = 38,514.28 × 10,881.66
  4. Step 4: Simplify right side
    25,662.36x = 419,099,300.10
  5. Step 5: Solve for x
    x = 419,099,300.10/25,662.36
  6. Step 6: Final answer
    x = 16,331.28

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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.