Home / 19,712.22-27,192.42-11,753.16

Finding the Fourth Proportional to 19,712.22, 27,192.42 and 11,753.16

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Solution

The fourth proportional to 19,712.22, 27,192.42 and 11,753.16 is: 16,213.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,712.22 : 27,192.42 = 11,753.16 : x
  2. Step 2: Convert to fraction form
    19,712.22/27,192.42 = 11,753.16/x
  3. Step 3: Cross multiply
    19,712.22x = 27,192.42 × 11,753.16
  4. Step 4: Simplify right side
    19,712.22x = 319,596,863.05
  5. Step 5: Solve for x
    x = 319,596,863.05/19,712.22
  6. Step 6: Final answer
    x = 16,213.13

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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.