Home / 14,608.92-21,915.66-5,123.84

Finding the Fourth Proportional to 14,608.92, 21,915.66 and 5,123.84

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Solution

The fourth proportional to 14,608.92, 21,915.66 and 5,123.84 is: 7,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,608.92 : 21,915.66 = 5,123.84 : x
  2. Step 2: Convert to fraction form
    14,608.92/21,915.66 = 5,123.84/x
  3. Step 3: Cross multiply
    14,608.92x = 21,915.66 × 5,123.84
  4. Step 4: Simplify right side
    14,608.92x = 112,292,335.33
  5. Step 5: Solve for x
    x = 112,292,335.33/14,608.92
  6. Step 6: Final answer
    x = 7,686.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.