Home / 26,313.90-39,486.41-9,685.61

Finding the Fourth Proportional to 26,313.90, 39,486.41 and 9,685.61

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Solution

The fourth proportional to 26,313.90, 39,486.41 and 9,685.61 is: 14,534.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,313.90 : 39,486.41 = 9,685.61 : x
  2. Step 2: Convert to fraction form
    26,313.90/39,486.41 = 9,685.61/x
  3. Step 3: Cross multiply
    26,313.90x = 39,486.41 × 9,685.61
  4. Step 4: Simplify right side
    26,313.90x = 382,449,967.56
  5. Step 5: Solve for x
    x = 382,449,967.56/26,313.90
  6. Step 6: Final answer
    x = 14,534.14

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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.