Home / 16,989.91-25,484.88-6,601.66

Finding the Fourth Proportional to 16,989.91, 25,484.88 and 6,601.66

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Solution

The fourth proportional to 16,989.91, 25,484.88 and 6,601.66 is: 9,902.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989.91 : 25,484.88 = 6,601.66 : x
  2. Step 2: Convert to fraction form
    16,989.91/25,484.88 = 6,601.66/x
  3. Step 3: Cross multiply
    16,989.91x = 25,484.88 × 6,601.66
  4. Step 4: Simplify right side
    16,989.91x = 168,242,512.90
  5. Step 5: Solve for x
    x = 168,242,512.90/16,989.91
  6. Step 6: Final answer
    x = 9,902.50

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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.