Home / 14,616.38-20,170.58-7,902.01

Finding the Fourth Proportional to 14,616.38, 20,170.58 and 7,902.01

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Solution

The fourth proportional to 14,616.38, 20,170.58 and 7,902.01 is: 10,904.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,616.38 : 20,170.58 = 7,902.01 : x
  2. Step 2: Convert to fraction form
    14,616.38/20,170.58 = 7,902.01/x
  3. Step 3: Cross multiply
    14,616.38x = 20,170.58 × 7,902.01
  4. Step 4: Simplify right side
    14,616.38x = 159,388,034.93
  5. Step 5: Solve for x
    x = 159,388,034.93/14,616.38
  6. Step 6: Final answer
    x = 10,904.76

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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.