Home / 16,961.98-25,415.29-8,630.53

Finding the Fourth Proportional to 16,961.98, 25,415.29 and 8,630.53

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Solution

The fourth proportional to 16,961.98, 25,415.29 and 8,630.53 is: 12,931.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,961.98 : 25,415.29 = 8,630.53 : x
  2. Step 2: Convert to fraction form
    16,961.98/25,415.29 = 8,630.53/x
  3. Step 3: Cross multiply
    16,961.98x = 25,415.29 × 8,630.53
  4. Step 4: Simplify right side
    16,961.98x = 219,347,523.13
  5. Step 5: Solve for x
    x = 219,347,523.13/16,961.98
  6. Step 6: Final answer
    x = 12,931.72

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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.