Home / 26,930.00-40,359.35-20,666.07

Finding the Fourth Proportional to 26,930.00, 40,359.35 and 20,666.07

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Solution

The fourth proportional to 26,930.00, 40,359.35 and 20,666.07 is: 30,971.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,930.00 : 40,359.35 = 20,666.07 : x
  2. Step 2: Convert to fraction form
    26,930.00/40,359.35 = 20,666.07/x
  3. Step 3: Cross multiply
    26,930.00x = 40,359.35 × 20,666.07
  4. Step 4: Simplify right side
    26,930.00x = 834,069,048.92
  5. Step 5: Solve for x
    x = 834,069,048.92/26,930.00
  6. Step 6: Final answer
    x = 30,971.75

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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.