Home / 14,623.28-20,178.84-8,250.32

Finding the Fourth Proportional to 14,623.28, 20,178.84 and 8,250.32

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Solution

The fourth proportional to 14,623.28, 20,178.84 and 8,250.32 is: 11,384.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,623.28 : 20,178.84 = 8,250.32 : x
  2. Step 2: Convert to fraction form
    14,623.28/20,178.84 = 8,250.32/x
  3. Step 3: Cross multiply
    14,623.28x = 20,178.84 × 8,250.32
  4. Step 4: Simplify right side
    14,623.28x = 166,481,887.23
  5. Step 5: Solve for x
    x = 166,481,887.23/14,623.28
  6. Step 6: Final answer
    x = 11,384.72

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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.