Home / 19,910.28-27,476.18-11,526.60

Finding the Fourth Proportional to 19,910.28, 27,476.18 and 11,526.60

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Solution

The fourth proportional to 19,910.28, 27,476.18 and 11,526.60 is: 15,906.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.28 : 27,476.18 = 11,526.60 : x
  2. Step 2: Convert to fraction form
    19,910.28/27,476.18 = 11,526.60/x
  3. Step 3: Cross multiply
    19,910.28x = 27,476.18 × 11,526.60
  4. Step 4: Simplify right side
    19,910.28x = 316,706,936.39
  5. Step 5: Solve for x
    x = 316,706,936.39/19,910.28
  6. Step 6: Final answer
    x = 15,906.70

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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.