Home / 16,672.48-23,007.12-9,220

Finding the Fourth Proportional to 16,672.48, 23,007.12 and 9,220

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Solution

The fourth proportional to 16,672.48, 23,007.12 and 9,220 is: 12,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,672.48 : 23,007.12 = 9,220 : x
  2. Step 2: Convert to fraction form
    16,672.48/23,007.12 = 9,220/x
  3. Step 3: Cross multiply
    16,672.48x = 23,007.12 × 9,220
  4. Step 4: Simplify right side
    16,672.48x = 212,125,646.40
  5. Step 5: Solve for x
    x = 212,125,646.40/16,672.48
  6. Step 6: Final answer
    x = 12,723.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.