Home / 19,989.75-27,588.29-11,606.25

Finding the Fourth Proportional to 19,989.75, 27,588.29 and 11,606.25

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Solution

The fourth proportional to 19,989.75, 27,588.29 and 11,606.25 is: 16,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,989.75 : 27,588.29 = 11,606.25 : x
  2. Step 2: Convert to fraction form
    19,989.75/27,588.29 = 11,606.25/x
  3. Step 3: Cross multiply
    19,989.75x = 27,588.29 × 11,606.25
  4. Step 4: Simplify right side
    19,989.75x = 320,196,532.78
  5. Step 5: Solve for x
    x = 320,196,532.78/19,989.75
  6. Step 6: Final answer
    x = 16,018.04

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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.