Home / 14,171.12-21,247.06-7,935.42

Finding the Fourth Proportional to 14,171.12, 21,247.06 and 7,935.42

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Solution

The fourth proportional to 14,171.12, 21,247.06 and 7,935.42 is: 11,897.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.12 : 21,247.06 = 7,935.42 : x
  2. Step 2: Convert to fraction form
    14,171.12/21,247.06 = 7,935.42/x
  3. Step 3: Cross multiply
    14,171.12x = 21,247.06 × 7,935.42
  4. Step 4: Simplify right side
    14,171.12x = 168,604,344.87
  5. Step 5: Solve for x
    x = 168,604,344.87/14,171.12
  6. Step 6: Final answer
    x = 11,897.74

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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.