Home / 14,535.87-21,803.82-4,147.62

Finding the Fourth Proportional to 14,535.87, 21,803.82 and 4,147.62

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Solution

The fourth proportional to 14,535.87, 21,803.82 and 4,147.62 is: 6,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,535.87 : 21,803.82 = 4,147.62 : x
  2. Step 2: Convert to fraction form
    14,535.87/21,803.82 = 4,147.62/x
  3. Step 3: Cross multiply
    14,535.87x = 21,803.82 × 4,147.62
  4. Step 4: Simplify right side
    14,535.87x = 90,433,959.91
  5. Step 5: Solve for x
    x = 90,433,959.91/14,535.87
  6. Step 6: Final answer
    x = 6,221.43

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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.