Home / 19,648.08-27,115.56-11,267.28

Finding the Fourth Proportional to 19,648.08, 27,115.56 and 11,267.28

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Solution

The fourth proportional to 19,648.08, 27,115.56 and 11,267.28 is: 15,549.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,648.08 : 27,115.56 = 11,267.28 : x
  2. Step 2: Convert to fraction form
    19,648.08/27,115.56 = 11,267.28/x
  3. Step 3: Cross multiply
    19,648.08x = 27,115.56 × 11,267.28
  4. Step 4: Simplify right side
    19,648.08x = 305,518,606.88
  5. Step 5: Solve for x
    x = 305,518,606.88/19,648.08
  6. Step 6: Final answer
    x = 15,549.54

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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.