Home / 22,467.56-31,004.90-13,399.20

Finding the Fourth Proportional to 22,467.56, 31,004.90 and 13,399.20

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Solution

The fourth proportional to 22,467.56, 31,004.90 and 13,399.20 is: 18,490.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,467.56 : 31,004.90 = 13,399.20 : x
  2. Step 2: Convert to fraction form
    22,467.56/31,004.90 = 13,399.20/x
  3. Step 3: Cross multiply
    22,467.56x = 31,004.90 × 13,399.20
  4. Step 4: Simplify right side
    22,467.56x = 415,440,856.08
  5. Step 5: Solve for x
    x = 415,440,856.08/22,467.56
  6. Step 6: Final answer
    x = 18,490.70

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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.