Home / 19,172.25-26,452.38-11,513.52

Finding the Fourth Proportional to 19,172.25, 26,452.38 and 11,513.52

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Solution

The fourth proportional to 19,172.25, 26,452.38 and 11,513.52 is: 15,885.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172.25 : 26,452.38 = 11,513.52 : x
  2. Step 2: Convert to fraction form
    19,172.25/26,452.38 = 11,513.52/x
  3. Step 3: Cross multiply
    19,172.25x = 26,452.38 × 11,513.52
  4. Step 4: Simplify right side
    19,172.25x = 304,560,006.18
  5. Step 5: Solve for x
    x = 304,560,006.18/19,172.25
  6. Step 6: Final answer
    x = 15,885.46

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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.