Home / 18,156.26-27,225.89-7,624.04

Finding the Fourth Proportional to 18,156.26, 27,225.89 and 7,624.04

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Solution

The fourth proportional to 18,156.26, 27,225.89 and 7,624.04 is: 11,432.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.26 : 27,225.89 = 7,624.04 : x
  2. Step 2: Convert to fraction form
    18,156.26/27,225.89 = 7,624.04/x
  3. Step 3: Cross multiply
    18,156.26x = 27,225.89 × 7,624.04
  4. Step 4: Simplify right side
    18,156.26x = 207,571,100.15
  5. Step 5: Solve for x
    x = 207,571,100.15/18,156.26
  6. Step 6: Final answer
    x = 11,432.48

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1.5x scale

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.