Home / 19,104.65-26,364.40-11,145.33

Finding the Fourth Proportional to 19,104.65, 26,364.40 and 11,145.33

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Solution

The fourth proportional to 19,104.65, 26,364.40 and 11,145.33 is: 15,380.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,104.65 : 26,364.40 = 11,145.33 : x
  2. Step 2: Convert to fraction form
    19,104.65/26,364.40 = 11,145.33/x
  3. Step 3: Cross multiply
    19,104.65x = 26,364.40 × 11,145.33
  4. Step 4: Simplify right side
    19,104.65x = 293,839,910.39
  5. Step 5: Solve for x
    x = 293,839,910.39/19,104.65
  6. Step 6: Final answer
    x = 15,380.55

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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.