Home / 19,658.33-27,128.92-10,705.83

Finding the Fourth Proportional to 19,658.33, 27,128.92 and 10,705.83

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Solution

The fourth proportional to 19,658.33, 27,128.92 and 10,705.83 is: 14,774.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,658.33 : 27,128.92 = 10,705.83 : x
  2. Step 2: Convert to fraction form
    19,658.33/27,128.92 = 10,705.83/x
  3. Step 3: Cross multiply
    19,658.33x = 27,128.92 × 10,705.83
  4. Step 4: Simplify right side
    19,658.33x = 290,437,578.84
  5. Step 5: Solve for x
    x = 290,437,578.84/19,658.33
  6. Step 6: Final answer
    x = 14,774.28

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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.