Home / 26,929.67-40,394.70-9,399.51

Finding the Fourth Proportional to 26,929.67, 40,394.70 and 9,399.51

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Solution

The fourth proportional to 26,929.67, 40,394.70 and 9,399.51 is: 14,099.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929.67 : 40,394.70 = 9,399.51 : x
  2. Step 2: Convert to fraction form
    26,929.67/40,394.70 = 9,399.51/x
  3. Step 3: Cross multiply
    26,929.67x = 40,394.70 × 9,399.51
  4. Step 4: Simplify right side
    26,929.67x = 379,690,386.60
  5. Step 5: Solve for x
    x = 379,690,386.60/26,929.67
  6. Step 6: Final answer
    x = 14,099.34

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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.