Home / 16,698.43-25,047.65-4,218.49

Finding the Fourth Proportional to 16,698.43, 25,047.65 and 4,218.49

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Solution

The fourth proportional to 16,698.43, 25,047.65 and 4,218.49 is: 6,327.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,698.43 : 25,047.65 = 4,218.49 : x
  2. Step 2: Convert to fraction form
    16,698.43/25,047.65 = 4,218.49/x
  3. Step 3: Cross multiply
    16,698.43x = 25,047.65 × 4,218.49
  4. Step 4: Simplify right side
    16,698.43x = 105,663,279.18
  5. Step 5: Solve for x
    x = 105,663,279.18/16,698.43
  6. Step 6: Final answer
    x = 6,327.74

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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.