Home / 26,581.07-36,647.66-21,783.44

Finding the Fourth Proportional to 26,581.07, 36,647.66 and 21,783.44

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Solution

The fourth proportional to 26,581.07, 36,647.66 and 21,783.44 is: 30,033.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,581.07 : 36,647.66 = 21,783.44 : x
  2. Step 2: Convert to fraction form
    26,581.07/36,647.66 = 21,783.44/x
  3. Step 3: Cross multiply
    26,581.07x = 36,647.66 × 21,783.44
  4. Step 4: Simplify right side
    26,581.07x = 798,312,248.83
  5. Step 5: Solve for x
    x = 798,312,248.83/26,581.07
  6. Step 6: Final answer
    x = 30,033.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.