Home / 22,176.12-33,254.42-8,315.40

Finding the Fourth Proportional to 22,176.12, 33,254.42 and 8,315.40

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Solution

The fourth proportional to 22,176.12, 33,254.42 and 8,315.40 is: 12,469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,176.12 : 33,254.42 = 8,315.40 : x
  2. Step 2: Convert to fraction form
    22,176.12/33,254.42 = 8,315.40/x
  3. Step 3: Cross multiply
    22,176.12x = 33,254.42 × 8,315.40
  4. Step 4: Simplify right side
    22,176.12x = 276,523,804.07
  5. Step 5: Solve for x
    x = 276,523,804.07/22,176.12
  6. Step 6: Final answer
    x = 12,469.44

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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.