Home / 14,509.22-21,755.31-4,643.42

Finding the Fourth Proportional to 14,509.22, 21,755.31 and 4,643.42

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Solution

The fourth proportional to 14,509.22, 21,755.31 and 4,643.42 is: 6,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,509.22 : 21,755.31 = 4,643.42 : x
  2. Step 2: Convert to fraction form
    14,509.22/21,755.31 = 4,643.42/x
  3. Step 3: Cross multiply
    14,509.22x = 21,755.31 × 4,643.42
  4. Step 4: Simplify right side
    14,509.22x = 101,018,932.78
  5. Step 5: Solve for x
    x = 101,018,932.78/14,509.22
  6. Step 6: Final answer
    x = 6,962.40

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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.