Home / 23,127.26-31,915.62-12,516.89

Finding the Fourth Proportional to 23,127.26, 31,915.62 and 12,516.89

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Solution

The fourth proportional to 23,127.26, 31,915.62 and 12,516.89 is: 17,273.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,127.26 : 31,915.62 = 12,516.89 : x
  2. Step 2: Convert to fraction form
    23,127.26/31,915.62 = 12,516.89/x
  3. Step 3: Cross multiply
    23,127.26x = 31,915.62 × 12,516.89
  4. Step 4: Simplify right side
    23,127.26x = 399,484,242.24
  5. Step 5: Solve for x
    x = 399,484,242.24/23,127.26
  6. Step 6: Final answer
    x = 17,273.31

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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.