Home / 26,222.77-39,301.32-20,654.13

Finding the Fourth Proportional to 26,222.77, 39,301.32 and 20,654.13

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Solution

The fourth proportional to 26,222.77, 39,301.32 and 20,654.13 is: 30,955.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,222.77 : 39,301.32 = 20,654.13 : x
  2. Step 2: Convert to fraction form
    26,222.77/39,301.32 = 20,654.13/x
  3. Step 3: Cross multiply
    26,222.77x = 39,301.32 × 20,654.13
  4. Step 4: Simplify right side
    26,222.77x = 811,734,572.45
  5. Step 5: Solve for x
    x = 811,734,572.45/26,222.77
  6. Step 6: Final answer
    x = 30,955.33

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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.