Home / 13,375.71-18,464.63-9,550.35

Finding the Fourth Proportional to 13,375.71, 18,464.63 and 9,550.35

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Solution

The fourth proportional to 13,375.71, 18,464.63 and 9,550.35 is: 13,183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375.71 : 18,464.63 = 9,550.35 : x
  2. Step 2: Convert to fraction form
    13,375.71/18,464.63 = 9,550.35/x
  3. Step 3: Cross multiply
    13,375.71x = 18,464.63 × 9,550.35
  4. Step 4: Simplify right side
    13,375.71x = 176,343,631.37
  5. Step 5: Solve for x
    x = 176,343,631.37/13,375.71
  6. Step 6: Final answer
    x = 13,183.87

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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.