Home / 19,752.12-27,257.95-11,253.87

Finding the Fourth Proportional to 19,752.12, 27,257.95 and 11,253.87

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Solution

The fourth proportional to 19,752.12, 27,257.95 and 11,253.87 is: 15,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,752.12 : 27,257.95 = 11,253.87 : x
  2. Step 2: Convert to fraction form
    19,752.12/27,257.95 = 11,253.87/x
  3. Step 3: Cross multiply
    19,752.12x = 27,257.95 × 11,253.87
  4. Step 4: Simplify right side
    19,752.12x = 306,757,439.83
  5. Step 5: Solve for x
    x = 306,757,439.83/19,752.12
  6. Step 6: Final answer
    x = 15,530.36

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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.