Home / 18,635.28-27,967.50-11,248.08

Finding the Fourth Proportional to 18,635.28, 27,967.50 and 11,248.08

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Solution

The fourth proportional to 18,635.28, 27,967.50 and 11,248.08 is: 16,880.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.28 : 27,967.50 = 11,248.08 : x
  2. Step 2: Convert to fraction form
    18,635.28/27,967.50 = 11,248.08/x
  3. Step 3: Cross multiply
    18,635.28x = 27,967.50 × 11,248.08
  4. Step 4: Simplify right side
    18,635.28x = 314,580,677.40
  5. Step 5: Solve for x
    x = 314,580,677.40/18,635.28
  6. Step 6: Final answer
    x = 16,880.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.