Home / 16,947.40-25,420.86-6,551.80

Finding the Fourth Proportional to 16,947.40, 25,420.86 and 6,551.80

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Solution

The fourth proportional to 16,947.40, 25,420.86 and 6,551.80 is: 9,827.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,947.40 : 25,420.86 = 6,551.80 : x
  2. Step 2: Convert to fraction form
    16,947.40/25,420.86 = 6,551.80/x
  3. Step 3: Cross multiply
    16,947.40x = 25,420.86 × 6,551.80
  4. Step 4: Simplify right side
    16,947.40x = 166,552,390.55
  5. Step 5: Solve for x
    x = 166,552,390.55/16,947.40
  6. Step 6: Final answer
    x = 9,827.61

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1.5x scale

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.