Home / 16,631.85-22,951.35-9,914.01

Finding the Fourth Proportional to 16,631.85, 22,951.35 and 9,914.01

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Solution

The fourth proportional to 16,631.85, 22,951.35 and 9,914.01 is: 13,680.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,631.85 : 22,951.35 = 9,914.01 : x
  2. Step 2: Convert to fraction form
    16,631.85/22,951.35 = 9,914.01/x
  3. Step 3: Cross multiply
    16,631.85x = 22,951.35 × 9,914.01
  4. Step 4: Simplify right side
    16,631.85x = 227,539,913.41
  5. Step 5: Solve for x
    x = 227,539,913.41/16,631.85
  6. Step 6: Final answer
    x = 13,680.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.