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Finding the Fourth Proportional to 15,119.17, 22,678.77 and 8,237.41

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Solution

The fourth proportional to 15,119.17, 22,678.77 and 8,237.41 is: 12,356.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,119.17 : 22,678.77 = 8,237.41 : x
  2. Step 2: Convert to fraction form
    15,119.17/22,678.77 = 8,237.41/x
  3. Step 3: Cross multiply
    15,119.17x = 22,678.77 × 8,237.41
  4. Step 4: Simplify right side
    15,119.17x = 186,814,326.79
  5. Step 5: Solve for x
    x = 186,814,326.79/15,119.17
  6. Step 6: Final answer
    x = 12,356.12

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Similar ratio
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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.