Home / 35,589.87-53,389.71-12,213.27

Finding the Fourth Proportional to 35,589.87, 53,389.71 and 12,213.27

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Solution

The fourth proportional to 35,589.87, 53,389.71 and 12,213.27 is: 18,321.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,589.87 : 53,389.71 = 12,213.27 : x
  2. Step 2: Convert to fraction form
    35,589.87/53,389.71 = 12,213.27/x
  3. Step 3: Cross multiply
    35,589.87x = 53,389.71 × 12,213.27
  4. Step 4: Simplify right side
    35,589.87x = 652,062,943.45
  5. Step 5: Solve for x
    x = 652,062,943.45/35,589.87
  6. Step 6: Final answer
    x = 18,321.59

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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.