Home / 22,399.24-30,905.52-18,827.68

Finding the Fourth Proportional to 22,399.24, 30,905.52 and 18,827.68

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Solution

The fourth proportional to 22,399.24, 30,905.52 and 18,827.68 is: 25,977.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,399.24 : 30,905.52 = 18,827.68 : x
  2. Step 2: Convert to fraction form
    22,399.24/30,905.52 = 18,827.68/x
  3. Step 3: Cross multiply
    22,399.24x = 30,905.52 × 18,827.68
  4. Step 4: Simplify right side
    22,399.24x = 581,879,240.79
  5. Step 5: Solve for x
    x = 581,879,240.79/22,399.24
  6. Step 6: Final answer
    x = 25,977.63

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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.