Home / 19,822.49-27,350.75-11,434.13

Finding the Fourth Proportional to 19,822.49, 27,350.75 and 11,434.13

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Solution

The fourth proportional to 19,822.49, 27,350.75 and 11,434.13 is: 15,776.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,822.49 : 27,350.75 = 11,434.13 : x
  2. Step 2: Convert to fraction form
    19,822.49/27,350.75 = 11,434.13/x
  3. Step 3: Cross multiply
    19,822.49x = 27,350.75 × 11,434.13
  4. Step 4: Simplify right side
    19,822.49x = 312,732,031.10
  5. Step 5: Solve for x
    x = 312,732,031.10/19,822.49
  6. Step 6: Final answer
    x = 15,776.63

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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.