Home / 19,107.66-26,377.47-12,744.84

Finding the Fourth Proportional to 19,107.66, 26,377.47 and 12,744.84

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Solution

The fourth proportional to 19,107.66, 26,377.47 and 12,744.84 is: 17,593.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,107.66 : 26,377.47 = 12,744.84 : x
  2. Step 2: Convert to fraction form
    19,107.66/26,377.47 = 12,744.84/x
  3. Step 3: Cross multiply
    19,107.66x = 26,377.47 × 12,744.84
  4. Step 4: Simplify right side
    19,107.66x = 336,176,634.75
  5. Step 5: Solve for x
    x = 336,176,634.75/19,107.66
  6. Step 6: Final answer
    x = 17,593.81

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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.