Home / 23,044.96-31,795.67-12,972.80

Finding the Fourth Proportional to 23,044.96, 31,795.67 and 12,972.80

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Solution

The fourth proportional to 23,044.96, 31,795.67 and 12,972.80 is: 17,898.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,044.96 : 31,795.67 = 12,972.80 : x
  2. Step 2: Convert to fraction form
    23,044.96/31,795.67 = 12,972.80/x
  3. Step 3: Cross multiply
    23,044.96x = 31,795.67 × 12,972.80
  4. Step 4: Simplify right side
    23,044.96x = 412,478,802.91
  5. Step 5: Solve for x
    x = 412,478,802.91/23,044.96
  6. Step 6: Final answer
    x = 17,898.88

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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.