Home / 16,844.20-25,246.05-6,978.40

Finding the Fourth Proportional to 16,844.20, 25,246.05 and 6,978.40

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Solution

The fourth proportional to 16,844.20, 25,246.05 and 6,978.40 is: 10,459.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,844.20 : 25,246.05 = 6,978.40 : x
  2. Step 2: Convert to fraction form
    16,844.20/25,246.05 = 6,978.40/x
  3. Step 3: Cross multiply
    16,844.20x = 25,246.05 × 6,978.40
  4. Step 4: Simplify right side
    16,844.20x = 176,177,035.32
  5. Step 5: Solve for x
    x = 176,177,035.32/16,844.20
  6. Step 6: Final answer
    x = 10,459.21

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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.