Home / 14,555.85-21,838.39-5,195.66

Finding the Fourth Proportional to 14,555.85, 21,838.39 and 5,195.66

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Solution

The fourth proportional to 14,555.85, 21,838.39 and 5,195.66 is: 7,795.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,555.85 : 21,838.39 = 5,195.66 : x
  2. Step 2: Convert to fraction form
    14,555.85/21,838.39 = 5,195.66/x
  3. Step 3: Cross multiply
    14,555.85x = 21,838.39 × 5,195.66
  4. Step 4: Simplify right side
    14,555.85x = 113,464,910.48
  5. Step 5: Solve for x
    x = 113,464,910.48/14,555.85
  6. Step 6: Final answer
    x = 7,795.14

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1.5x scale

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.