Home / 26,411.96-39,618.04-7,943.96

Finding the Fourth Proportional to 26,411.96, 39,618.04 and 7,943.96

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Solution

The fourth proportional to 26,411.96, 39,618.04 and 7,943.96 is: 11,915.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,411.96 : 39,618.04 = 7,943.96 : x
  2. Step 2: Convert to fraction form
    26,411.96/39,618.04 = 7,943.96/x
  3. Step 3: Cross multiply
    26,411.96x = 39,618.04 × 7,943.96
  4. Step 4: Simplify right side
    26,411.96x = 314,724,125.04
  5. Step 5: Solve for x
    x = 314,724,125.04/26,411.96
  6. Step 6: Final answer
    x = 11,915.97

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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.