Home / 25,729.36-38,612.49-10,948.66

Finding the Fourth Proportional to 25,729.36, 38,612.49 and 10,948.66

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Solution

The fourth proportional to 25,729.36, 38,612.49 and 10,948.66 is: 16,430.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,729.36 : 38,612.49 = 10,948.66 : x
  2. Step 2: Convert to fraction form
    25,729.36/38,612.49 = 10,948.66/x
  3. Step 3: Cross multiply
    25,729.36x = 38,612.49 × 10,948.66
  4. Step 4: Simplify right side
    25,729.36x = 422,755,024.76
  5. Step 5: Solve for x
    x = 422,755,024.76/25,729.36
  6. Step 6: Final answer
    x = 16,430.84

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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.