Home / 19,726.83-27,218.57-11,767.50

Finding the Fourth Proportional to 19,726.83, 27,218.57 and 11,767.50

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Solution

The fourth proportional to 19,726.83, 27,218.57 and 11,767.50 is: 16,236.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,726.83 : 27,218.57 = 11,767.50 : x
  2. Step 2: Convert to fraction form
    19,726.83/27,218.57 = 11,767.50/x
  3. Step 3: Cross multiply
    19,726.83x = 27,218.57 × 11,767.50
  4. Step 4: Simplify right side
    19,726.83x = 320,294,463.64
  5. Step 5: Solve for x
    x = 320,294,463.64/19,726.83
  6. Step 6: Final answer
    x = 16,236.49

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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.