Home / 15,273.57-22,920.74-8,255.74

Finding the Fourth Proportional to 15,273.57, 22,920.74 and 8,255.74

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Solution

The fourth proportional to 15,273.57, 22,920.74 and 8,255.74 is: 12,389.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,273.57 : 22,920.74 = 8,255.74 : x
  2. Step 2: Convert to fraction form
    15,273.57/22,920.74 = 8,255.74/x
  3. Step 3: Cross multiply
    15,273.57x = 22,920.74 × 8,255.74
  4. Step 4: Simplify right side
    15,273.57x = 189,227,670.05
  5. Step 5: Solve for x
    x = 189,227,670.05/15,273.57
  6. Step 6: Final answer
    x = 12,389.22

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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.