Home / 13,296.33-18,355.59-10,305.45

Finding the Fourth Proportional to 13,296.33, 18,355.59 and 10,305.45

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Solution

The fourth proportional to 13,296.33, 18,355.59 and 10,305.45 is: 14,226.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.33 : 18,355.59 = 10,305.45 : x
  2. Step 2: Convert to fraction form
    13,296.33/18,355.59 = 10,305.45/x
  3. Step 3: Cross multiply
    13,296.33x = 18,355.59 × 10,305.45
  4. Step 4: Simplify right side
    13,296.33x = 189,162,614.97
  5. Step 5: Solve for x
    x = 189,162,614.97/13,296.33
  6. Step 6: Final answer
    x = 14,226.68

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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.