Home / 26,653.92-39,968.40-7,927.04

Finding the Fourth Proportional to 26,653.92, 39,968.40 and 7,927.04

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Solution

The fourth proportional to 26,653.92, 39,968.40 and 7,927.04 is: 11,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,653.92 : 39,968.40 = 7,927.04 : x
  2. Step 2: Convert to fraction form
    26,653.92/39,968.40 = 7,927.04/x
  3. Step 3: Cross multiply
    26,653.92x = 39,968.40 × 7,927.04
  4. Step 4: Simplify right side
    26,653.92x = 316,831,105.54
  5. Step 5: Solve for x
    x = 316,831,105.54/26,653.92
  6. Step 6: Final answer
    x = 11,886.85

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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.