Home / 22,163.63-30,585.80-12,732.19

Finding the Fourth Proportional to 22,163.63, 30,585.80 and 12,732.19

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Solution

The fourth proportional to 22,163.63, 30,585.80 and 12,732.19 is: 17,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.63 : 30,585.80 = 12,732.19 : x
  2. Step 2: Convert to fraction form
    22,163.63/30,585.80 = 12,732.19/x
  3. Step 3: Cross multiply
    22,163.63x = 30,585.80 × 12,732.19
  4. Step 4: Simplify right side
    22,163.63x = 389,424,172.27
  5. Step 5: Solve for x
    x = 389,424,172.27/22,163.63
  6. Step 6: Final answer
    x = 17,570.42

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Half scale
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Double scale
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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.