Home / 14,622.87-21,934.31-5,742.39

Finding the Fourth Proportional to 14,622.87, 21,934.31 and 5,742.39

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Solution

The fourth proportional to 14,622.87, 21,934.31 and 5,742.39 is: 8,613.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622.87 : 21,934.31 = 5,742.39 : x
  2. Step 2: Convert to fraction form
    14,622.87/21,934.31 = 5,742.39/x
  3. Step 3: Cross multiply
    14,622.87x = 21,934.31 × 5,742.39
  4. Step 4: Simplify right side
    14,622.87x = 125,955,333.69
  5. Step 5: Solve for x
    x = 125,955,333.69/14,622.87
  6. Step 6: Final answer
    x = 8,613.59

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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.