Home / 22,900.98-31,606.16-13,949.79

Finding the Fourth Proportional to 22,900.98, 31,606.16 and 13,949.79

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Solution

The fourth proportional to 22,900.98, 31,606.16 and 13,949.79 is: 19,252.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,900.98 : 31,606.16 = 13,949.79 : x
  2. Step 2: Convert to fraction form
    22,900.98/31,606.16 = 13,949.79/x
  3. Step 3: Cross multiply
    22,900.98x = 31,606.16 × 13,949.79
  4. Step 4: Simplify right side
    22,900.98x = 440,899,224.96
  5. Step 5: Solve for x
    x = 440,899,224.96/22,900.98
  6. Step 6: Final answer
    x = 19,252.42

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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.