Home / 19,997.93-27,598.78-11,502.81

Finding the Fourth Proportional to 19,997.93, 27,598.78 and 11,502.81

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Solution

The fourth proportional to 19,997.93, 27,598.78 and 11,502.81 is: 15,874.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,997.93 : 27,598.78 = 11,502.81 : x
  2. Step 2: Convert to fraction form
    19,997.93/27,598.78 = 11,502.81/x
  3. Step 3: Cross multiply
    19,997.93x = 27,598.78 × 11,502.81
  4. Step 4: Simplify right side
    19,997.93x = 317,463,522.57
  5. Step 5: Solve for x
    x = 317,463,522.57/19,997.93
  6. Step 6: Final answer
    x = 15,874.82

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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.