Home / 26,517.80-36,601.34-15,191

Finding the Fourth Proportional to 26,517.80, 36,601.34 and 15,191

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Solution

The fourth proportional to 26,517.80, 36,601.34 and 15,191 is: 20,967.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,517.80 : 36,601.34 = 15,191 : x
  2. Step 2: Convert to fraction form
    26,517.80/36,601.34 = 15,191/x
  3. Step 3: Cross multiply
    26,517.80x = 36,601.34 × 15,191
  4. Step 4: Simplify right side
    26,517.80x = 556,010,955.94
  5. Step 5: Solve for x
    x = 556,010,955.94/26,517.80
  6. Step 6: Final answer
    x = 20,967.46

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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.