Home / 13,399.58-18,491.91-10,036.46

Finding the Fourth Proportional to 13,399.58, 18,491.91 and 10,036.46

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Solution

The fourth proportional to 13,399.58, 18,491.91 and 10,036.46 is: 13,850.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,399.58 : 18,491.91 = 10,036.46 : x
  2. Step 2: Convert to fraction form
    13,399.58/18,491.91 = 10,036.46/x
  3. Step 3: Cross multiply
    13,399.58x = 18,491.91 × 10,036.46
  4. Step 4: Simplify right side
    13,399.58x = 185,593,315.04
  5. Step 5: Solve for x
    x = 185,593,315.04/13,399.58
  6. Step 6: Final answer
    x = 13,850.68

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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.