Home / 22,863.24-31,548.42-13,431.60

Finding the Fourth Proportional to 22,863.24, 31,548.42 and 13,431.60

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Solution

The fourth proportional to 22,863.24, 31,548.42 and 13,431.60 is: 18,533.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,863.24 : 31,548.42 = 13,431.60 : x
  2. Step 2: Convert to fraction form
    22,863.24/31,548.42 = 13,431.60/x
  3. Step 3: Cross multiply
    22,863.24x = 31,548.42 × 13,431.60
  4. Step 4: Simplify right side
    22,863.24x = 423,745,758.07
  5. Step 5: Solve for x
    x = 423,745,758.07/22,863.24
  6. Step 6: Final answer
    x = 18,533.93

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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.