Home / 26,566.77-36,656.79-20,191.67

Finding the Fourth Proportional to 26,566.77, 36,656.79 and 20,191.67

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Solution

The fourth proportional to 26,566.77, 36,656.79 and 20,191.67 is: 27,860.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,566.77 : 36,656.79 = 20,191.67 : x
  2. Step 2: Convert to fraction form
    26,566.77/36,656.79 = 20,191.67/x
  3. Step 3: Cross multiply
    26,566.77x = 36,656.79 × 20,191.67
  4. Step 4: Simplify right side
    26,566.77x = 740,161,623.66
  5. Step 5: Solve for x
    x = 740,161,623.66/26,566.77
  6. Step 6: Final answer
    x = 27,860.43

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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.