Home / 15,176.91-22,771.93-8,148.72

Finding the Fourth Proportional to 15,176.91, 22,771.93 and 8,148.72

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Solution

The fourth proportional to 15,176.91, 22,771.93 and 8,148.72 is: 12,226.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,176.91 : 22,771.93 = 8,148.72 : x
  2. Step 2: Convert to fraction form
    15,176.91/22,771.93 = 8,148.72/x
  3. Step 3: Cross multiply
    15,176.91x = 22,771.93 × 8,148.72
  4. Step 4: Simplify right side
    15,176.91x = 185,562,081.43
  5. Step 5: Solve for x
    x = 185,562,081.43/15,176.91
  6. Step 6: Final answer
    x = 12,226.60

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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.