Home / 26,639.77-39,921.54-19,564.27

Finding the Fourth Proportional to 26,639.77, 39,921.54 and 19,564.27

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Solution

The fourth proportional to 26,639.77, 39,921.54 and 19,564.27 is: 29,318.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,639.77 : 39,921.54 = 19,564.27 : x
  2. Step 2: Convert to fraction form
    26,639.77/39,921.54 = 19,564.27/x
  3. Step 3: Cross multiply
    26,639.77x = 39,921.54 × 19,564.27
  4. Step 4: Simplify right side
    26,639.77x = 781,035,787.38
  5. Step 5: Solve for x
    x = 781,035,787.38/26,639.77
  6. Step 6: Final answer
    x = 29,318.41

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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.