Home / 14,253.80-21,388.32-5,939.48

Finding the Fourth Proportional to 14,253.80, 21,388.32 and 5,939.48

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Solution

The fourth proportional to 14,253.80, 21,388.32 and 5,939.48 is: 8,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.80 : 21,388.32 = 5,939.48 : x
  2. Step 2: Convert to fraction form
    14,253.80/21,388.32 = 5,939.48/x
  3. Step 3: Cross multiply
    14,253.80x = 21,388.32 × 5,939.48
  4. Step 4: Simplify right side
    14,253.80x = 127,035,498.87
  5. Step 5: Solve for x
    x = 127,035,498.87/14,253.80
  6. Step 6: Final answer
    x = 8,912.40

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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.