Home / 25,707.70-38,491.97-16,800.83

Finding the Fourth Proportional to 25,707.70, 38,491.97 and 16,800.83

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Solution

The fourth proportional to 25,707.70, 38,491.97 and 16,800.83 is: 25,155.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,707.70 : 38,491.97 = 16,800.83 : x
  2. Step 2: Convert to fraction form
    25,707.70/38,491.97 = 16,800.83/x
  3. Step 3: Cross multiply
    25,707.70x = 38,491.97 × 16,800.83
  4. Step 4: Simplify right side
    25,707.70x = 646,697,044.34
  5. Step 5: Solve for x
    x = 646,697,044.34/25,707.70
  6. Step 6: Final answer
    x = 25,155.78

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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.