Home / 23,072.42-31,838.73-13,000.88

Finding the Fourth Proportional to 23,072.42, 31,838.73 and 13,000.88

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Solution

The fourth proportional to 23,072.42, 31,838.73 and 13,000.88 is: 17,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,072.42 : 31,838.73 = 13,000.88 : x
  2. Step 2: Convert to fraction form
    23,072.42/31,838.73 = 13,000.88/x
  3. Step 3: Cross multiply
    23,072.42x = 31,838.73 × 13,000.88
  4. Step 4: Simplify right side
    23,072.42x = 413,931,508.08
  5. Step 5: Solve for x
    x = 413,931,508.08/23,072.42
  6. Step 6: Final answer
    x = 17,940.53

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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.