Home / 22,315.95-33,470.28-8,272.69

Finding the Fourth Proportional to 22,315.95, 33,470.28 and 8,272.69

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Solution

The fourth proportional to 22,315.95, 33,470.28 and 8,272.69 is: 12,407.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,315.95 : 33,470.28 = 8,272.69 : x
  2. Step 2: Convert to fraction form
    22,315.95/33,470.28 = 8,272.69/x
  3. Step 3: Cross multiply
    22,315.95x = 33,470.28 × 8,272.69
  4. Step 4: Simplify right side
    22,315.95x = 276,889,166.98
  5. Step 5: Solve for x
    x = 276,889,166.98/22,315.95
  6. Step 6: Final answer
    x = 12,407.68

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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.