Home / 13,213.62-18,237.12-10,037.43

Finding the Fourth Proportional to 13,213.62, 18,237.12 and 10,037.43

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Solution

The fourth proportional to 13,213.62, 18,237.12 and 10,037.43 is: 13,853.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213.62 : 18,237.12 = 10,037.43 : x
  2. Step 2: Convert to fraction form
    13,213.62/18,237.12 = 10,037.43/x
  3. Step 3: Cross multiply
    13,213.62x = 18,237.12 × 10,037.43
  4. Step 4: Simplify right side
    13,213.62x = 183,053,815.40
  5. Step 5: Solve for x
    x = 183,053,815.40/13,213.62
  6. Step 6: Final answer
    x = 13,853.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.