Home / 19,967.92-27,555.26-11,472.77

Finding the Fourth Proportional to 19,967.92, 27,555.26 and 11,472.77

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Solution

The fourth proportional to 19,967.92, 27,555.26 and 11,472.77 is: 15,832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,967.92 : 27,555.26 = 11,472.77 : x
  2. Step 2: Convert to fraction form
    19,967.92/27,555.26 = 11,472.77/x
  3. Step 3: Cross multiply
    19,967.92x = 27,555.26 × 11,472.77
  4. Step 4: Simplify right side
    19,967.92x = 316,135,171.79
  5. Step 5: Solve for x
    x = 316,135,171.79/19,967.92
  6. Step 6: Final answer
    x = 15,832.16

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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.