Home / 19,170.27-26,448.12-10,786.77

Finding the Fourth Proportional to 19,170.27, 26,448.12 and 10,786.77

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Solution

The fourth proportional to 19,170.27, 26,448.12 and 10,786.77 is: 14,881.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.27 : 26,448.12 = 10,786.77 : x
  2. Step 2: Convert to fraction form
    19,170.27/26,448.12 = 10,786.77/x
  3. Step 3: Cross multiply
    19,170.27x = 26,448.12 × 10,786.77
  4. Step 4: Simplify right side
    19,170.27x = 285,289,787.37
  5. Step 5: Solve for x
    x = 285,289,787.37/19,170.27
  6. Step 6: Final answer
    x = 14,881.89

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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.