Home / 14,043.32-21,064.94-5,721.38

Finding the Fourth Proportional to 14,043.32, 21,064.94 and 5,721.38

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Solution

The fourth proportional to 14,043.32, 21,064.94 and 5,721.38 is: 8,582.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.32 : 21,064.94 = 5,721.38 : x
  2. Step 2: Convert to fraction form
    14,043.32/21,064.94 = 5,721.38/x
  3. Step 3: Cross multiply
    14,043.32x = 21,064.94 × 5,721.38
  4. Step 4: Simplify right side
    14,043.32x = 120,520,526.42
  5. Step 5: Solve for x
    x = 120,520,526.42/14,043.32
  6. Step 6: Final answer
    x = 8,582.05

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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.