Home / 19,560.08-26,982.87-12,844.73

Finding the Fourth Proportional to 19,560.08, 26,982.87 and 12,844.73

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Solution

The fourth proportional to 19,560.08, 26,982.87 and 12,844.73 is: 17,719.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,560.08 : 26,982.87 = 12,844.73 : x
  2. Step 2: Convert to fraction form
    19,560.08/26,982.87 = 12,844.73/x
  3. Step 3: Cross multiply
    19,560.08x = 26,982.87 × 12,844.73
  4. Step 4: Simplify right side
    19,560.08x = 346,587,679.78
  5. Step 5: Solve for x
    x = 346,587,679.78/19,560.08
  6. Step 6: Final answer
    x = 17,719.13

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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.