Home / 18,319.91-25,280.71-10,362.26

Finding the Fourth Proportional to 18,319.91, 25,280.71 and 10,362.26

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Solution

The fourth proportional to 18,319.91, 25,280.71 and 10,362.26 is: 14,299.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319.91 : 25,280.71 = 10,362.26 : x
  2. Step 2: Convert to fraction form
    18,319.91/25,280.71 = 10,362.26/x
  3. Step 3: Cross multiply
    18,319.91x = 25,280.71 × 10,362.26
  4. Step 4: Simplify right side
    18,319.91x = 261,965,327.30
  5. Step 5: Solve for x
    x = 261,965,327.30/18,319.91
  6. Step 6: Final answer
    x = 14,299.49

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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.