Home / 16,680.66-25,029.48-7,318.25

Finding the Fourth Proportional to 16,680.66, 25,029.48 and 7,318.25

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Solution

The fourth proportional to 16,680.66, 25,029.48 and 7,318.25 is: 10,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,680.66 : 25,029.48 = 7,318.25 : x
  2. Step 2: Convert to fraction form
    16,680.66/25,029.48 = 7,318.25/x
  3. Step 3: Cross multiply
    16,680.66x = 25,029.48 × 7,318.25
  4. Step 4: Simplify right side
    16,680.66x = 183,171,933.28
  5. Step 5: Solve for x
    x = 183,171,933.28/16,680.66
  6. Step 6: Final answer
    x = 10,981.10

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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.