Home / 14,105.80-21,167.07-5,341.60

Finding the Fourth Proportional to 14,105.80, 21,167.07 and 5,341.60

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Solution

The fourth proportional to 14,105.80, 21,167.07 and 5,341.60 is: 8,015.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.80 : 21,167.07 = 5,341.60 : x
  2. Step 2: Convert to fraction form
    14,105.80/21,167.07 = 5,341.60/x
  3. Step 3: Cross multiply
    14,105.80x = 21,167.07 × 5,341.60
  4. Step 4: Simplify right side
    14,105.80x = 113,066,021.11
  5. Step 5: Solve for x
    x = 113,066,021.11/14,105.80
  6. Step 6: Final answer
    x = 8,015.57

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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.