Home / 13,854.33-19,107.16-11,711.26

Finding the Fourth Proportional to 13,854.33, 19,107.16 and 11,711.26

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Solution

The fourth proportional to 13,854.33, 19,107.16 and 11,711.26 is: 16,151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854.33 : 19,107.16 = 11,711.26 : x
  2. Step 2: Convert to fraction form
    13,854.33/19,107.16 = 11,711.26/x
  3. Step 3: Cross multiply
    13,854.33x = 19,107.16 × 11,711.26
  4. Step 4: Simplify right side
    13,854.33x = 223,768,841.58
  5. Step 5: Solve for x
    x = 223,768,841.58/13,854.33
  6. Step 6: Final answer
    x = 16,151.55

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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.