Home / 15,226.08-21,001.62-13,233.24

Finding the Fourth Proportional to 15,226.08, 21,001.62 and 13,233.24

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Solution

The fourth proportional to 15,226.08, 21,001.62 and 13,233.24 is: 18,252.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,226.08 : 21,001.62 = 13,233.24 : x
  2. Step 2: Convert to fraction form
    15,226.08/21,001.62 = 13,233.24/x
  3. Step 3: Cross multiply
    15,226.08x = 21,001.62 × 13,233.24
  4. Step 4: Simplify right side
    15,226.08x = 277,919,477.85
  5. Step 5: Solve for x
    x = 277,919,477.85/15,226.08
  6. Step 6: Final answer
    x = 18,252.86

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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.