Home / 19,776.15-27,291.11-10,823.66

Finding the Fourth Proportional to 19,776.15, 27,291.11 and 10,823.66

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Solution

The fourth proportional to 19,776.15, 27,291.11 and 10,823.66 is: 14,936.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,776.15 : 27,291.11 = 10,823.66 : x
  2. Step 2: Convert to fraction form
    19,776.15/27,291.11 = 10,823.66/x
  3. Step 3: Cross multiply
    19,776.15x = 27,291.11 × 10,823.66
  4. Step 4: Simplify right side
    19,776.15x = 295,389,505.09
  5. Step 5: Solve for x
    x = 295,389,505.09/19,776.15
  6. Step 6: Final answer
    x = 14,936.65

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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.