Home / 14,906.90-20,571.57-8,193.22

Finding the Fourth Proportional to 14,906.90, 20,571.57 and 8,193.22

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Solution

The fourth proportional to 14,906.90, 20,571.57 and 8,193.22 is: 11,306.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906.90 : 20,571.57 = 8,193.22 : x
  2. Step 2: Convert to fraction form
    14,906.90/20,571.57 = 8,193.22/x
  3. Step 3: Cross multiply
    14,906.90x = 20,571.57 × 8,193.22
  4. Step 4: Simplify right side
    14,906.90x = 168,547,347.33
  5. Step 5: Solve for x
    x = 168,547,347.33/14,906.90
  6. Step 6: Final answer
    x = 11,306.66

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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.