Home / 14,430.32-21,644.97-5,543.36

Finding the Fourth Proportional to 14,430.32, 21,644.97 and 5,543.36

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Solution

The fourth proportional to 14,430.32, 21,644.97 and 5,543.36 is: 8,314.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.32 : 21,644.97 = 5,543.36 : x
  2. Step 2: Convert to fraction form
    14,430.32/21,644.97 = 5,543.36/x
  3. Step 3: Cross multiply
    14,430.32x = 21,644.97 × 5,543.36
  4. Step 4: Simplify right side
    14,430.32x = 119,985,860.90
  5. Step 5: Solve for x
    x = 119,985,860.90/14,430.32
  6. Step 6: Final answer
    x = 8,314.84

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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.