Home / 19,752.08-27,257.88-11,253.96

Finding the Fourth Proportional to 19,752.08, 27,257.88 and 11,253.96

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Solution

The fourth proportional to 19,752.08, 27,257.88 and 11,253.96 is: 15,530.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,752.08 : 27,257.88 = 11,253.96 : x
  2. Step 2: Convert to fraction form
    19,752.08/27,257.88 = 11,253.96/x
  3. Step 3: Cross multiply
    19,752.08x = 27,257.88 × 11,253.96
  4. Step 4: Simplify right side
    19,752.08x = 306,759,091.20
  5. Step 5: Solve for x
    x = 306,759,091.20/19,752.08
  6. Step 6: Final answer
    x = 15,530.47

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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.