Home / 14,935.14-20,601.90-9,336.42

Finding the Fourth Proportional to 14,935.14, 20,601.90 and 9,336.42

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Solution

The fourth proportional to 14,935.14, 20,601.90 and 9,336.42 is: 12,878.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,935.14 : 20,601.90 = 9,336.42 : x
  2. Step 2: Convert to fraction form
    14,935.14/20,601.90 = 9,336.42/x
  3. Step 3: Cross multiply
    14,935.14x = 20,601.90 × 9,336.42
  4. Step 4: Simplify right side
    14,935.14x = 192,347,991.20
  5. Step 5: Solve for x
    x = 192,347,991.20/14,935.14
  6. Step 6: Final answer
    x = 12,878.89

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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.