Home / 22,699.38-31,323.30-12,627.84

Finding the Fourth Proportional to 22,699.38, 31,323.30 and 12,627.84

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Solution

The fourth proportional to 22,699.38, 31,323.30 and 12,627.84 is: 17,425.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,699.38 : 31,323.30 = 12,627.84 : x
  2. Step 2: Convert to fraction form
    22,699.38/31,323.30 = 12,627.84/x
  3. Step 3: Cross multiply
    22,699.38x = 31,323.30 × 12,627.84
  4. Step 4: Simplify right side
    22,699.38x = 395,545,620.67
  5. Step 5: Solve for x
    x = 395,545,620.67/22,699.38
  6. Step 6: Final answer
    x = 17,425.39

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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.