Home / 14,390.91-21,598.67-5,631.98

Finding the Fourth Proportional to 14,390.91, 21,598.67 and 5,631.98

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Solution

The fourth proportional to 14,390.91, 21,598.67 and 5,631.98 is: 8,452.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.91 : 21,598.67 = 5,631.98 : x
  2. Step 2: Convert to fraction form
    14,390.91/21,598.67 = 5,631.98/x
  3. Step 3: Cross multiply
    14,390.91x = 21,598.67 × 5,631.98
  4. Step 4: Simplify right side
    14,390.91x = 121,643,141.31
  5. Step 5: Solve for x
    x = 121,643,141.31/14,390.91
  6. Step 6: Final answer
    x = 8,452.78

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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.