Home / 19,997.93-27,587.98-11,612.81

Finding the Fourth Proportional to 19,997.93, 27,587.98 and 11,612.81

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Solution

The fourth proportional to 19,997.93, 27,587.98 and 11,612.81 is: 16,020.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,997.93 : 27,587.98 = 11,612.81 : x
  2. Step 2: Convert to fraction form
    19,997.93/27,587.98 = 11,612.81/x
  3. Step 3: Cross multiply
    19,997.93x = 27,587.98 × 11,612.81
  4. Step 4: Simplify right side
    19,997.93x = 320,373,970.02
  5. Step 5: Solve for x
    x = 320,373,970.02/19,997.93
  6. Step 6: Final answer
    x = 16,020.36

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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.