Home / 14,227.80-21,360.90-9,043.80

Finding the Fourth Proportional to 14,227.80, 21,360.90 and 9,043.80

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Solution

The fourth proportional to 14,227.80, 21,360.90 and 9,043.80 is: 13,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.80 : 21,360.90 = 9,043.80 : x
  2. Step 2: Convert to fraction form
    14,227.80/21,360.90 = 9,043.80/x
  3. Step 3: Cross multiply
    14,227.80x = 21,360.90 × 9,043.80
  4. Step 4: Simplify right side
    14,227.80x = 193,183,707.42
  5. Step 5: Solve for x
    x = 193,183,707.42/14,227.80
  6. Step 6: Final answer
    x = 13,577.90

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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.