Home / 22,625.22-31,224.52-12,555.57

Finding the Fourth Proportional to 22,625.22, 31,224.52 and 12,555.57

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Solution

The fourth proportional to 22,625.22, 31,224.52 and 12,555.57 is: 17,327.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,625.22 : 31,224.52 = 12,555.57 : x
  2. Step 2: Convert to fraction form
    22,625.22/31,224.52 = 12,555.57/x
  3. Step 3: Cross multiply
    22,625.22x = 31,224.52 × 12,555.57
  4. Step 4: Simplify right side
    22,625.22x = 392,041,646.58
  5. Step 5: Solve for x
    x = 392,041,646.58/22,625.22
  6. Step 6: Final answer
    x = 17,327.64

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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.