Home / 22,544.89-31,110.80-12,335.70

Finding the Fourth Proportional to 22,544.89, 31,110.80 and 12,335.70

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Solution

The fourth proportional to 22,544.89, 31,110.80 and 12,335.70 is: 17,022.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,544.89 : 31,110.80 = 12,335.70 : x
  2. Step 2: Convert to fraction form
    22,544.89/31,110.80 = 12,335.70/x
  3. Step 3: Cross multiply
    22,544.89x = 31,110.80 × 12,335.70
  4. Step 4: Simplify right side
    22,544.89x = 383,773,518.85
  5. Step 5: Solve for x
    x = 383,773,518.85/22,544.89
  6. Step 6: Final answer
    x = 17,022.64

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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.