Home / 22,648.14-31,255.21-12,576.74

Finding the Fourth Proportional to 22,648.14, 31,255.21 and 12,576.74

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Solution

The fourth proportional to 22,648.14, 31,255.21 and 12,576.74 is: 17,356.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,648.14 : 31,255.21 = 12,576.74 : x
  2. Step 2: Convert to fraction form
    22,648.14/31,255.21 = 12,576.74/x
  3. Step 3: Cross multiply
    22,648.14x = 31,255.21 × 12,576.74
  4. Step 4: Simplify right side
    22,648.14x = 393,088,586.93
  5. Step 5: Solve for x
    x = 393,088,586.93/22,648.14
  6. Step 6: Final answer
    x = 17,356.33

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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.