Home / 14,520.50-21,778.14-3,846.93

Finding the Fourth Proportional to 14,520.50, 21,778.14 and 3,846.93

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Solution

The fourth proportional to 14,520.50, 21,778.14 and 3,846.93 is: 5,769.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.50 : 21,778.14 = 3,846.93 : x
  2. Step 2: Convert to fraction form
    14,520.50/21,778.14 = 3,846.93/x
  3. Step 3: Cross multiply
    14,520.50x = 21,778.14 × 3,846.93
  4. Step 4: Simplify right side
    14,520.50x = 83,778,980.11
  5. Step 5: Solve for x
    x = 83,778,980.11/14,520.50
  6. Step 6: Final answer
    x = 5,769.71

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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.