Home / 19,844.61-27,381.29-11,456.25

Finding the Fourth Proportional to 19,844.61, 27,381.29 and 11,456.25

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Solution

The fourth proportional to 19,844.61, 27,381.29 and 11,456.25 is: 15,807.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,844.61 : 27,381.29 = 11,456.25 : x
  2. Step 2: Convert to fraction form
    19,844.61/27,381.29 = 11,456.25/x
  3. Step 3: Cross multiply
    19,844.61x = 27,381.29 × 11,456.25
  4. Step 4: Simplify right side
    19,844.61x = 313,686,846.28
  5. Step 5: Solve for x
    x = 313,686,846.28/19,844.61
  6. Step 6: Final answer
    x = 15,807.16

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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.