Home / 13,022.83-19,534.78-3,788.83

Finding the Fourth Proportional to 13,022.83, 19,534.78 and 3,788.83

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Solution

The fourth proportional to 13,022.83, 19,534.78 and 3,788.83 is: 5,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022.83 : 19,534.78 = 3,788.83 : x
  2. Step 2: Convert to fraction form
    13,022.83/19,534.78 = 3,788.83/x
  3. Step 3: Cross multiply
    13,022.83x = 19,534.78 × 3,788.83
  4. Step 4: Simplify right side
    13,022.83x = 74,013,960.51
  5. Step 5: Solve for x
    x = 74,013,960.51/13,022.83
  6. Step 6: Final answer
    x = 5,683.40

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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.