Home / 26,025.12-39,031.84-11,971.65

Finding the Fourth Proportional to 26,025.12, 39,031.84 and 11,971.65

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Solution

The fourth proportional to 26,025.12, 39,031.84 and 11,971.65 is: 17,954.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,025.12 : 39,031.84 = 11,971.65 : x
  2. Step 2: Convert to fraction form
    26,025.12/39,031.84 = 11,971.65/x
  3. Step 3: Cross multiply
    26,025.12x = 39,031.84 × 11,971.65
  4. Step 4: Simplify right side
    26,025.12x = 467,275,527.34
  5. Step 5: Solve for x
    x = 467,275,527.34/26,025.12
  6. Step 6: Final answer
    x = 17,954.79

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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.