Home / 19,805.94-27,332.04-10,853.43

Finding the Fourth Proportional to 19,805.94, 27,332.04 and 10,853.43

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Solution

The fourth proportional to 19,805.94, 27,332.04 and 10,853.43 is: 14,977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,805.94 : 27,332.04 = 10,853.43 : x
  2. Step 2: Convert to fraction form
    19,805.94/27,332.04 = 10,853.43/x
  3. Step 3: Cross multiply
    19,805.94x = 27,332.04 × 10,853.43
  4. Step 4: Simplify right side
    19,805.94x = 296,646,382.90
  5. Step 5: Solve for x
    x = 296,646,382.90/19,805.94
  6. Step 6: Final answer
    x = 14,977.65

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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.