Home / 14,419.08-19,897.14-8,133

Finding the Fourth Proportional to 14,419.08, 19,897.14 and 8,133

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Solution

The fourth proportional to 14,419.08, 19,897.14 and 8,133 is: 11,222.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,419.08 : 19,897.14 = 8,133 : x
  2. Step 2: Convert to fraction form
    14,419.08/19,897.14 = 8,133/x
  3. Step 3: Cross multiply
    14,419.08x = 19,897.14 × 8,133
  4. Step 4: Simplify right side
    14,419.08x = 161,823,439.62
  5. Step 5: Solve for x
    x = 161,823,439.62/14,419.08
  6. Step 6: Final answer
    x = 11,222.87

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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.