Home / 22,538.06-31,103.73-13,586.84

Finding the Fourth Proportional to 22,538.06, 31,103.73 and 13,586.84

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Solution

The fourth proportional to 22,538.06, 31,103.73 and 13,586.84 is: 18,750.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,538.06 : 31,103.73 = 13,586.84 : x
  2. Step 2: Convert to fraction form
    22,538.06/31,103.73 = 13,586.84/x
  3. Step 3: Cross multiply
    22,538.06x = 31,103.73 × 13,586.84
  4. Step 4: Simplify right side
    22,538.06x = 422,601,247.39
  5. Step 5: Solve for x
    x = 422,601,247.39/22,538.06
  6. Step 6: Final answer
    x = 18,750.56

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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.