Home / 22,849.74-31,532.82-12,640.58

Finding the Fourth Proportional to 22,849.74, 31,532.82 and 12,640.58

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Solution

The fourth proportional to 22,849.74, 31,532.82 and 12,640.58 is: 17,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,849.74 : 31,532.82 = 12,640.58 : x
  2. Step 2: Convert to fraction form
    22,849.74/31,532.82 = 12,640.58/x
  3. Step 3: Cross multiply
    22,849.74x = 31,532.82 × 12,640.58
  4. Step 4: Simplify right side
    22,849.74x = 398,593,133.84
  5. Step 5: Solve for x
    x = 398,593,133.84/22,849.74
  6. Step 6: Final answer
    x = 17,444.10

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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.