Home / 16,877.91-25,322.33-8,113.51

Finding the Fourth Proportional to 16,877.91, 25,322.33 and 8,113.51

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Solution

The fourth proportional to 16,877.91, 25,322.33 and 8,113.51 is: 12,172.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,877.91 : 25,322.33 = 8,113.51 : x
  2. Step 2: Convert to fraction form
    16,877.91/25,322.33 = 8,113.51/x
  3. Step 3: Cross multiply
    16,877.91x = 25,322.33 × 8,113.51
  4. Step 4: Simplify right side
    16,877.91x = 205,452,934.66
  5. Step 5: Solve for x
    x = 205,452,934.66/16,877.91
  6. Step 6: Final answer
    x = 12,172.89

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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.