Home / 19,564.12-27,000.30-11,179

Finding the Fourth Proportional to 19,564.12, 27,000.30 and 11,179

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Solution

The fourth proportional to 19,564.12, 27,000.30 and 11,179 is: 15,428.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,564.12 : 27,000.30 = 11,179 : x
  2. Step 2: Convert to fraction form
    19,564.12/27,000.30 = 11,179/x
  3. Step 3: Cross multiply
    19,564.12x = 27,000.30 × 11,179
  4. Step 4: Simplify right side
    19,564.12x = 301,836,353.70
  5. Step 5: Solve for x
    x = 301,836,353.70/19,564.12
  6. Step 6: Final answer
    x = 15,428.06

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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.