Home / 18,670.48-27,981.24-16,055.76

Finding the Fourth Proportional to 18,670.48, 27,981.24 and 16,055.76

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Solution

The fourth proportional to 18,670.48, 27,981.24 and 16,055.76 is: 24,062.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,670.48 : 27,981.24 = 16,055.76 : x
  2. Step 2: Convert to fraction form
    18,670.48/27,981.24 = 16,055.76/x
  3. Step 3: Cross multiply
    18,670.48x = 27,981.24 × 16,055.76
  4. Step 4: Simplify right side
    18,670.48x = 449,260,073.94
  5. Step 5: Solve for x
    x = 449,260,073.94/18,670.48
  6. Step 6: Final answer
    x = 24,062.59

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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.