Home / 16,420.68-24,623.70-4,731.12

Finding the Fourth Proportional to 16,420.68, 24,623.70 and 4,731.12

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Solution

The fourth proportional to 16,420.68, 24,623.70 and 4,731.12 is: 7,094.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,420.68 : 24,623.70 = 4,731.12 : x
  2. Step 2: Convert to fraction form
    16,420.68/24,623.70 = 4,731.12/x
  3. Step 3: Cross multiply
    16,420.68x = 24,623.70 × 4,731.12
  4. Step 4: Simplify right side
    16,420.68x = 116,497,679.54
  5. Step 5: Solve for x
    x = 116,497,679.54/16,420.68
  6. Step 6: Final answer
    x = 7,094.57

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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.