Home / 23,048.35-31,805.51-12,976.45

Finding the Fourth Proportional to 23,048.35, 31,805.51 and 12,976.45

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Solution

The fourth proportional to 23,048.35, 31,805.51 and 12,976.45 is: 17,906.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,048.35 : 31,805.51 = 12,976.45 : x
  2. Step 2: Convert to fraction form
    23,048.35/31,805.51 = 12,976.45/x
  3. Step 3: Cross multiply
    23,048.35x = 31,805.51 × 12,976.45
  4. Step 4: Simplify right side
    23,048.35x = 412,722,717.74
  5. Step 5: Solve for x
    x = 412,722,717.74/23,048.35
  6. Step 6: Final answer
    x = 17,906.82

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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.