Home / 22,832.13-31,507.08-12,758.56

Finding the Fourth Proportional to 22,832.13, 31,507.08 and 12,758.56

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Solution

The fourth proportional to 22,832.13, 31,507.08 and 12,758.56 is: 17,606.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,832.13 : 31,507.08 = 12,758.56 : x
  2. Step 2: Convert to fraction form
    22,832.13/31,507.08 = 12,758.56/x
  3. Step 3: Cross multiply
    22,832.13x = 31,507.08 × 12,758.56
  4. Step 4: Simplify right side
    22,832.13x = 401,985,021.22
  5. Step 5: Solve for x
    x = 401,985,021.22/22,832.13
  6. Step 6: Final answer
    x = 17,606.11

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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.