Home / 20,044.42-27,661.75-12,983.13

Finding the Fourth Proportional to 20,044.42, 27,661.75 and 12,983.13

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Solution

The fourth proportional to 20,044.42, 27,661.75 and 12,983.13 is: 17,917.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,044.42 : 27,661.75 = 12,983.13 : x
  2. Step 2: Convert to fraction form
    20,044.42/27,661.75 = 12,983.13/x
  3. Step 3: Cross multiply
    20,044.42x = 27,661.75 × 12,983.13
  4. Step 4: Simplify right side
    20,044.42x = 359,136,063.82
  5. Step 5: Solve for x
    x = 359,136,063.82/20,044.42
  6. Step 6: Final answer
    x = 17,917.01

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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.