Home / 19,887.11-27,444.49-10,934.99

Finding the Fourth Proportional to 19,887.11, 27,444.49 and 10,934.99

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Solution

The fourth proportional to 19,887.11, 27,444.49 and 10,934.99 is: 15,090.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,887.11 : 27,444.49 = 10,934.99 : x
  2. Step 2: Convert to fraction form
    19,887.11/27,444.49 = 10,934.99/x
  3. Step 3: Cross multiply
    19,887.11x = 27,444.49 × 10,934.99
  4. Step 4: Simplify right side
    19,887.11x = 300,105,169.03
  5. Step 5: Solve for x
    x = 300,105,169.03/19,887.11
  6. Step 6: Final answer
    x = 15,090.44

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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.