Home / 16,486.32-24,737.60-7,719.72

Finding the Fourth Proportional to 16,486.32, 24,737.60 and 7,719.72

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Solution

The fourth proportional to 16,486.32, 24,737.60 and 7,719.72 is: 11,583.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,486.32 : 24,737.60 = 7,719.72 : x
  2. Step 2: Convert to fraction form
    16,486.32/24,737.60 = 7,719.72/x
  3. Step 3: Cross multiply
    16,486.32x = 24,737.60 × 7,719.72
  4. Step 4: Simplify right side
    16,486.32x = 190,967,345.47
  5. Step 5: Solve for x
    x = 190,967,345.47/16,486.32
  6. Step 6: Final answer
    x = 11,583.38

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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.