Home / 16,785.80-25,190.10-6,925

Finding the Fourth Proportional to 16,785.80, 25,190.10 and 6,925

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Solution

The fourth proportional to 16,785.80, 25,190.10 and 6,925 is: 10,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,785.80 : 25,190.10 = 6,925 : x
  2. Step 2: Convert to fraction form
    16,785.80/25,190.10 = 6,925/x
  3. Step 3: Cross multiply
    16,785.80x = 25,190.10 × 6,925
  4. Step 4: Simplify right side
    16,785.80x = 174,441,442.50
  5. Step 5: Solve for x
    x = 174,441,442.50/16,785.80
  6. Step 6: Final answer
    x = 10,392.20

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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.