Home / 19,121.82-26,373.51-13,834.14

Finding the Fourth Proportional to 19,121.82, 26,373.51 and 13,834.14

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Solution

The fourth proportional to 19,121.82, 26,373.51 and 13,834.14 is: 19,080.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121.82 : 26,373.51 = 13,834.14 : x
  2. Step 2: Convert to fraction form
    19,121.82/26,373.51 = 13,834.14/x
  3. Step 3: Cross multiply
    19,121.82x = 26,373.51 × 13,834.14
  4. Step 4: Simplify right side
    19,121.82x = 364,854,829.63
  5. Step 5: Solve for x
    x = 364,854,829.63/19,121.82
  6. Step 6: Final answer
    x = 19,080.55

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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.