Home / 26,682.12-36,821.16-15,197.16

Finding the Fourth Proportional to 26,682.12, 36,821.16 and 15,197.16

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Solution

The fourth proportional to 26,682.12, 36,821.16 and 15,197.16 is: 20,971.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,682.12 : 36,821.16 = 15,197.16 : x
  2. Step 2: Convert to fraction form
    26,682.12/36,821.16 = 15,197.16/x
  3. Step 3: Cross multiply
    26,682.12x = 36,821.16 × 15,197.16
  4. Step 4: Simplify right side
    26,682.12x = 559,577,059.91
  5. Step 5: Solve for x
    x = 559,577,059.91/26,682.12
  6. Step 6: Final answer
    x = 20,971.99

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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.