Home / 14,892.32-20,550.16-8,177.76

Finding the Fourth Proportional to 14,892.32, 20,550.16 and 8,177.76

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Solution

The fourth proportional to 14,892.32, 20,550.16 and 8,177.76 is: 11,284.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,892.32 : 20,550.16 = 8,177.76 : x
  2. Step 2: Convert to fraction form
    14,892.32/20,550.16 = 8,177.76/x
  3. Step 3: Cross multiply
    14,892.32x = 20,550.16 × 8,177.76
  4. Step 4: Simplify right side
    14,892.32x = 168,054,276.44
  5. Step 5: Solve for x
    x = 168,054,276.44/14,892.32
  6. Step 6: Final answer
    x = 11,284.63

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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.