Home / 15,105.18-22,665.20-6,791.07

Finding the Fourth Proportional to 15,105.18, 22,665.20 and 6,791.07

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Solution

The fourth proportional to 15,105.18, 22,665.20 and 6,791.07 is: 10,189.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,105.18 : 22,665.20 = 6,791.07 : x
  2. Step 2: Convert to fraction form
    15,105.18/22,665.20 = 6,791.07/x
  3. Step 3: Cross multiply
    15,105.18x = 22,665.20 × 6,791.07
  4. Step 4: Simplify right side
    15,105.18x = 153,920,925.81
  5. Step 5: Solve for x
    x = 153,920,925.81/15,105.18
  6. Step 6: Final answer
    x = 10,189.94

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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.