Home / 19,733.66-27,227.56-12,669.65

Finding the Fourth Proportional to 19,733.66, 27,227.56 and 12,669.65

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Solution

The fourth proportional to 19,733.66, 27,227.56 and 12,669.65 is: 17,480.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,733.66 : 27,227.56 = 12,669.65 : x
  2. Step 2: Convert to fraction form
    19,733.66/27,227.56 = 12,669.65/x
  3. Step 3: Cross multiply
    19,733.66x = 27,227.56 × 12,669.65
  4. Step 4: Simplify right side
    19,733.66x = 344,963,655.55
  5. Step 5: Solve for x
    x = 344,963,655.55/19,733.66
  6. Step 6: Final answer
    x = 17,480.98

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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.