Home / 16,866.45-25,293.60-8,543.70

Finding the Fourth Proportional to 16,866.45, 25,293.60 and 8,543.70

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Solution

The fourth proportional to 16,866.45, 25,293.60 and 8,543.70 is: 12,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,866.45 : 25,293.60 = 8,543.70 : x
  2. Step 2: Convert to fraction form
    16,866.45/25,293.60 = 8,543.70/x
  3. Step 3: Cross multiply
    16,866.45x = 25,293.60 × 8,543.70
  4. Step 4: Simplify right side
    16,866.45x = 216,100,930.32
  5. Step 5: Solve for x
    x = 216,100,930.32/16,866.45
  6. Step 6: Final answer
    x = 12,812.47

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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.