Home / 14,810.78-22,215.24-4,949.22

Finding the Fourth Proportional to 14,810.78, 22,215.24 and 4,949.22

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Solution

The fourth proportional to 14,810.78, 22,215.24 and 4,949.22 is: 7,423.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,810.78 : 22,215.24 = 4,949.22 : x
  2. Step 2: Convert to fraction form
    14,810.78/22,215.24 = 4,949.22/x
  3. Step 3: Cross multiply
    14,810.78x = 22,215.24 × 4,949.22
  4. Step 4: Simplify right side
    14,810.78x = 109,948,110.11
  5. Step 5: Solve for x
    x = 109,948,110.11/14,810.78
  6. Step 6: Final answer
    x = 7,423.52

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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.