Home / 22,629.98-31,229.48-12,558.58

Finding the Fourth Proportional to 22,629.98, 31,229.48 and 12,558.58

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Solution

The fourth proportional to 22,629.98, 31,229.48 and 12,558.58 is: 17,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,629.98 : 31,229.48 = 12,558.58 : x
  2. Step 2: Convert to fraction form
    22,629.98/31,229.48 = 12,558.58/x
  3. Step 3: Cross multiply
    22,629.98x = 31,229.48 × 12,558.58
  4. Step 4: Simplify right side
    22,629.98x = 392,197,876.26
  5. Step 5: Solve for x
    x = 392,197,876.26/22,629.98
  6. Step 6: Final answer
    x = 17,330.90

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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.