Home / 14,779.80-22,168.76-4,916.43

Finding the Fourth Proportional to 14,779.80, 22,168.76 and 4,916.43

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Solution

The fourth proportional to 14,779.80, 22,168.76 and 4,916.43 is: 7,374.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779.80 : 22,168.76 = 4,916.43 : x
  2. Step 2: Convert to fraction form
    14,779.80/22,168.76 = 4,916.43/x
  3. Step 3: Cross multiply
    14,779.80x = 22,168.76 × 4,916.43
  4. Step 4: Simplify right side
    14,779.80x = 108,991,132.14
  5. Step 5: Solve for x
    x = 108,991,132.14/14,779.80
  6. Step 6: Final answer
    x = 7,374.33

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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.