Home / 23,161.20-31,962.47-12,550.79

Finding the Fourth Proportional to 23,161.20, 31,962.47 and 12,550.79

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Solution

The fourth proportional to 23,161.20, 31,962.47 and 12,550.79 is: 17,320.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,161.20 : 31,962.47 = 12,550.79 : x
  2. Step 2: Convert to fraction form
    23,161.20/31,962.47 = 12,550.79/x
  3. Step 3: Cross multiply
    23,161.20x = 31,962.47 × 12,550.79
  4. Step 4: Simplify right side
    23,161.20x = 401,154,026.29
  5. Step 5: Solve for x
    x = 401,154,026.29/23,161.20
  6. Step 6: Final answer
    x = 17,320.09

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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.