Home / 16,427.20-24,644.80-4,740.16

Finding the Fourth Proportional to 16,427.20, 24,644.80 and 4,740.16

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Solution

The fourth proportional to 16,427.20, 24,644.80 and 4,740.16 is: 7,111.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,427.20 : 24,644.80 = 4,740.16 : x
  2. Step 2: Convert to fraction form
    16,427.20/24,644.80 = 4,740.16/x
  3. Step 3: Cross multiply
    16,427.20x = 24,644.80 × 4,740.16
  4. Step 4: Simplify right side
    16,427.20x = 116,820,295.17
  5. Step 5: Solve for x
    x = 116,820,295.17/16,427.20
  6. Step 6: Final answer
    x = 7,111.39

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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.