Home / 16,680.49-25,018.86-4,200.52

Finding the Fourth Proportional to 16,680.49, 25,018.86 and 4,200.52

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Solution

The fourth proportional to 16,680.49, 25,018.86 and 4,200.52 is: 6,300.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,680.49 : 25,018.86 = 4,200.52 : x
  2. Step 2: Convert to fraction form
    16,680.49/25,018.86 = 4,200.52/x
  3. Step 3: Cross multiply
    16,680.49x = 25,018.86 × 4,200.52
  4. Step 4: Simplify right side
    16,680.49x = 105,092,221.81
  5. Step 5: Solve for x
    x = 105,092,221.81/16,680.49
  6. Step 6: Final answer
    x = 6,300.31

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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.