Home / 16,780.71-25,149.54-6,926.91

Finding the Fourth Proportional to 16,780.71, 25,149.54 and 6,926.91

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Solution

The fourth proportional to 16,780.71, 25,149.54 and 6,926.91 is: 10,381.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.71 : 25,149.54 = 6,926.91 : x
  2. Step 2: Convert to fraction form
    16,780.71/25,149.54 = 6,926.91/x
  3. Step 3: Cross multiply
    16,780.71x = 25,149.54 × 6,926.91
  4. Step 4: Simplify right side
    16,780.71x = 174,208,600.12
  5. Step 5: Solve for x
    x = 174,208,600.12/16,780.71
  6. Step 6: Final answer
    x = 10,381.48

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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.