Home / 26,290.50-39,434.31-10,721.22

Finding the Fourth Proportional to 26,290.50, 39,434.31 and 10,721.22

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Solution

The fourth proportional to 26,290.50, 39,434.31 and 10,721.22 is: 16,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,290.50 : 39,434.31 = 10,721.22 : x
  2. Step 2: Convert to fraction form
    26,290.50/39,434.31 = 10,721.22/x
  3. Step 3: Cross multiply
    26,290.50x = 39,434.31 × 10,721.22
  4. Step 4: Simplify right side
    26,290.50x = 422,783,913.06
  5. Step 5: Solve for x
    x = 422,783,913.06/26,290.50
  6. Step 6: Final answer
    x = 16,081.24

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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.