Home / 26,670.06-40,005.12-6,948.60

Finding the Fourth Proportional to 26,670.06, 40,005.12 and 6,948.60

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Solution

The fourth proportional to 26,670.06, 40,005.12 and 6,948.60 is: 10,422.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,670.06 : 40,005.12 = 6,948.60 : x
  2. Step 2: Convert to fraction form
    26,670.06/40,005.12 = 6,948.60/x
  3. Step 3: Cross multiply
    26,670.06x = 40,005.12 × 6,948.60
  4. Step 4: Simplify right side
    26,670.06x = 277,979,576.83
  5. Step 5: Solve for x
    x = 277,979,576.83/26,670.06
  6. Step 6: Final answer
    x = 10,422.91

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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.