Home / 26,538.31-36,623.15-15,207.56

Finding the Fourth Proportional to 26,538.31, 36,623.15 and 15,207.56

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Solution

The fourth proportional to 26,538.31, 36,623.15 and 15,207.56 is: 20,986.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,538.31 : 36,623.15 = 15,207.56 : x
  2. Step 2: Convert to fraction form
    26,538.31/36,623.15 = 15,207.56/x
  3. Step 3: Cross multiply
    26,538.31x = 36,623.15 × 15,207.56
  4. Step 4: Simplify right side
    26,538.31x = 556,948,674.98
  5. Step 5: Solve for x
    x = 556,948,674.98/26,538.31
  6. Step 6: Final answer
    x = 20,986.59

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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.