Home / 14,094.20-21,165.60-9,963.20

Finding the Fourth Proportional to 14,094.20, 21,165.60 and 9,963.20

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Solution

The fourth proportional to 14,094.20, 21,165.60 and 9,963.20 is: 14,961.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,094.20 : 21,165.60 = 9,963.20 : x
  2. Step 2: Convert to fraction form
    14,094.20/21,165.60 = 9,963.20/x
  3. Step 3: Cross multiply
    14,094.20x = 21,165.60 × 9,963.20
  4. Step 4: Simplify right side
    14,094.20x = 210,877,105.92
  5. Step 5: Solve for x
    x = 210,877,105.92/14,094.20
  6. Step 6: Final answer
    x = 14,961.98

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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.