Home / 19,887.24-27,444.41-10,934.90

Finding the Fourth Proportional to 19,887.24, 27,444.41 and 10,934.90

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Solution

The fourth proportional to 19,887.24, 27,444.41 and 10,934.90 is: 15,090.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,887.24 : 27,444.41 = 10,934.90 : x
  2. Step 2: Convert to fraction form
    19,887.24/27,444.41 = 10,934.90/x
  3. Step 3: Cross multiply
    19,887.24x = 27,444.41 × 10,934.90
  4. Step 4: Simplify right side
    19,887.24x = 300,101,878.91
  5. Step 5: Solve for x
    x = 300,101,878.91/19,887.24
  6. Step 6: Final answer
    x = 15,090.17

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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.