Home / 22,708.93-31,335.53-12,634.69

Finding the Fourth Proportional to 22,708.93, 31,335.53 and 12,634.69

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Solution

The fourth proportional to 22,708.93, 31,335.53 and 12,634.69 is: 17,434.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,708.93 : 31,335.53 = 12,634.69 : x
  2. Step 2: Convert to fraction form
    22,708.93/31,335.53 = 12,634.69/x
  3. Step 3: Cross multiply
    22,708.93x = 31,335.53 × 12,634.69
  4. Step 4: Simplify right side
    22,708.93x = 395,914,644.36
  5. Step 5: Solve for x
    x = 395,914,644.36/22,708.93
  6. Step 6: Final answer
    x = 17,434.32

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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.