Home / 18,507.57-25,541.91-11,796.18

Finding the Fourth Proportional to 18,507.57, 25,541.91 and 11,796.18

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Solution

The fourth proportional to 18,507.57, 25,541.91 and 11,796.18 is: 16,279.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,507.57 : 25,541.91 = 11,796.18 : x
  2. Step 2: Convert to fraction form
    18,507.57/25,541.91 = 11,796.18/x
  3. Step 3: Cross multiply
    18,507.57x = 25,541.91 × 11,796.18
  4. Step 4: Simplify right side
    18,507.57x = 301,296,967.90
  5. Step 5: Solve for x
    x = 301,296,967.90/18,507.57
  6. Step 6: Final answer
    x = 16,279.66

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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.