Home / 14,161.54-21,242.38-4,300.91

Finding the Fourth Proportional to 14,161.54, 21,242.38 and 4,300.91

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Solution

The fourth proportional to 14,161.54, 21,242.38 and 4,300.91 is: 6,451.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.54 : 21,242.38 = 4,300.91 : x
  2. Step 2: Convert to fraction form
    14,161.54/21,242.38 = 4,300.91/x
  3. Step 3: Cross multiply
    14,161.54x = 21,242.38 × 4,300.91
  4. Step 4: Simplify right side
    14,161.54x = 91,361,564.57
  5. Step 5: Solve for x
    x = 91,361,564.57/14,161.54
  6. Step 6: Final answer
    x = 6,451.39

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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.