Home / 15,350.37-21,176.97-8,798.41

Finding the Fourth Proportional to 15,350.37, 21,176.97 and 8,798.41

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Solution

The fourth proportional to 15,350.37, 21,176.97 and 8,798.41 is: 12,138.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,350.37 : 21,176.97 = 8,798.41 : x
  2. Step 2: Convert to fraction form
    15,350.37/21,176.97 = 8,798.41/x
  3. Step 3: Cross multiply
    15,350.37x = 21,176.97 × 8,798.41
  4. Step 4: Simplify right side
    15,350.37x = 186,323,664.62
  5. Step 5: Solve for x
    x = 186,323,664.62/15,350.37
  6. Step 6: Final answer
    x = 12,138.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.