Home / 19,863.18-29,794.74-5,072.10

Finding the Fourth Proportional to 19,863.18, 29,794.74 and 5,072.10

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Solution

The fourth proportional to 19,863.18, 29,794.74 and 5,072.10 is: 7,608.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.18 : 29,794.74 = 5,072.10 : x
  2. Step 2: Convert to fraction form
    19,863.18/29,794.74 = 5,072.10/x
  3. Step 3: Cross multiply
    19,863.18x = 29,794.74 × 5,072.10
  4. Step 4: Simplify right side
    19,863.18x = 151,121,900.75
  5. Step 5: Solve for x
    x = 151,121,900.75/19,863.18
  6. Step 6: Final answer
    x = 7,608.14

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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.