Home / 25,966.86-38,966.84-9,326.54

Finding the Fourth Proportional to 25,966.86, 38,966.84 and 9,326.54

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Solution

The fourth proportional to 25,966.86, 38,966.84 and 9,326.54 is: 13,995.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,966.86 : 38,966.84 = 9,326.54 : x
  2. Step 2: Convert to fraction form
    25,966.86/38,966.84 = 9,326.54/x
  3. Step 3: Cross multiply
    25,966.86x = 38,966.84 × 9,326.54
  4. Step 4: Simplify right side
    25,966.86x = 363,425,791.93
  5. Step 5: Solve for x
    x = 363,425,791.93/25,966.86
  6. Step 6: Final answer
    x = 13,995.75

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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.