Home / 19,658.06-27,128.64-10,705.94

Finding the Fourth Proportional to 19,658.06, 27,128.64 and 10,705.94

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Solution

The fourth proportional to 19,658.06, 27,128.64 and 10,705.94 is: 14,774.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,658.06 : 27,128.64 = 10,705.94 : x
  2. Step 2: Convert to fraction form
    19,658.06/27,128.64 = 10,705.94/x
  3. Step 3: Cross multiply
    19,658.06x = 27,128.64 × 10,705.94
  4. Step 4: Simplify right side
    19,658.06x = 290,437,592.12
  5. Step 5: Solve for x
    x = 290,437,592.12/19,658.06
  6. Step 6: Final answer
    x = 14,774.48

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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.