Home / 14,120.92-19,487.19-7,833.70

Finding the Fourth Proportional to 14,120.92, 19,487.19 and 7,833.70

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Solution

The fourth proportional to 14,120.92, 19,487.19 and 7,833.70 is: 10,810.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.92 : 19,487.19 = 7,833.70 : x
  2. Step 2: Convert to fraction form
    14,120.92/19,487.19 = 7,833.70/x
  3. Step 3: Cross multiply
    14,120.92x = 19,487.19 × 7,833.70
  4. Step 4: Simplify right side
    14,120.92x = 152,656,800.30
  5. Step 5: Solve for x
    x = 152,656,800.30/14,120.92
  6. Step 6: Final answer
    x = 10,810.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.