Home / 23,135.46-31,921.19-13,576.24

Finding the Fourth Proportional to 23,135.46, 31,921.19 and 13,576.24

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Solution

The fourth proportional to 23,135.46, 31,921.19 and 13,576.24 is: 18,731.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,135.46 : 31,921.19 = 13,576.24 : x
  2. Step 2: Convert to fraction form
    23,135.46/31,921.19 = 13,576.24/x
  3. Step 3: Cross multiply
    23,135.46x = 31,921.19 × 13,576.24
  4. Step 4: Simplify right side
    23,135.46x = 433,369,668.64
  5. Step 5: Solve for x
    x = 433,369,668.64/23,135.46
  6. Step 6: Final answer
    x = 18,731.84

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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.