Home / 14,910.43-20,564.40-13,114.12

Finding the Fourth Proportional to 14,910.43, 20,564.40 and 13,114.12

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Solution

The fourth proportional to 14,910.43, 20,564.40 and 13,114.12 is: 18,086.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.43 : 20,564.40 = 13,114.12 : x
  2. Step 2: Convert to fraction form
    14,910.43/20,564.40 = 13,114.12/x
  3. Step 3: Cross multiply
    14,910.43x = 20,564.40 × 13,114.12
  4. Step 4: Simplify right side
    14,910.43x = 269,684,009.33
  5. Step 5: Solve for x
    x = 269,684,009.33/14,910.43
  6. Step 6: Final answer
    x = 18,086.94

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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.