Home / 16,989.39-25,483.38-8,669.25

Finding the Fourth Proportional to 16,989.39, 25,483.38 and 8,669.25

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Solution

The fourth proportional to 16,989.39, 25,483.38 and 8,669.25 is: 13,003.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989.39 : 25,483.38 = 8,669.25 : x
  2. Step 2: Convert to fraction form
    16,989.39/25,483.38 = 8,669.25/x
  3. Step 3: Cross multiply
    16,989.39x = 25,483.38 × 8,669.25
  4. Step 4: Simplify right side
    16,989.39x = 220,921,792.07
  5. Step 5: Solve for x
    x = 220,921,792.07/16,989.39
  6. Step 6: Final answer
    x = 13,003.52

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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.