Home / 14,917.80-22,374.19-4,919.45

Finding the Fourth Proportional to 14,917.80, 22,374.19 and 4,919.45

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Solution

The fourth proportional to 14,917.80, 22,374.19 and 4,919.45 is: 7,378.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,917.80 : 22,374.19 = 4,919.45 : x
  2. Step 2: Convert to fraction form
    14,917.80/22,374.19 = 4,919.45/x
  3. Step 3: Cross multiply
    14,917.80x = 22,374.19 × 4,919.45
  4. Step 4: Simplify right side
    14,917.80x = 110,068,729.13
  5. Step 5: Solve for x
    x = 110,068,729.13/14,917.80
  6. Step 6: Final answer
    x = 7,378.35

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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.