Home / 14,022.22-21,036.63-4,161.58

Finding the Fourth Proportional to 14,022.22, 21,036.63 and 4,161.58

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Solution

The fourth proportional to 14,022.22, 21,036.63 and 4,161.58 is: 6,243.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,022.22 : 21,036.63 = 4,161.58 : x
  2. Step 2: Convert to fraction form
    14,022.22/21,036.63 = 4,161.58/x
  3. Step 3: Cross multiply
    14,022.22x = 21,036.63 × 4,161.58
  4. Step 4: Simplify right side
    14,022.22x = 87,545,618.68
  5. Step 5: Solve for x
    x = 87,545,618.68/14,022.22
  6. Step 6: Final answer
    x = 6,243.35

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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.