Home / 15,721.86-23,582.97-6,236.49

Finding the Fourth Proportional to 15,721.86, 23,582.97 and 6,236.49

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Solution

The fourth proportional to 15,721.86, 23,582.97 and 6,236.49 is: 9,354.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,721.86 : 23,582.97 = 6,236.49 : x
  2. Step 2: Convert to fraction form
    15,721.86/23,582.97 = 6,236.49/x
  3. Step 3: Cross multiply
    15,721.86x = 23,582.97 × 6,236.49
  4. Step 4: Simplify right side
    15,721.86x = 147,074,956.58
  5. Step 5: Solve for x
    x = 147,074,956.58/15,721.86
  6. Step 6: Final answer
    x = 9,354.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.