Home / 14,193.88-19,570.20-8,879.48

Finding the Fourth Proportional to 14,193.88, 19,570.20 and 8,879.48

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Solution

The fourth proportional to 14,193.88, 19,570.20 and 8,879.48 is: 12,242.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.88 : 19,570.20 = 8,879.48 : x
  2. Step 2: Convert to fraction form
    14,193.88/19,570.20 = 8,879.48/x
  3. Step 3: Cross multiply
    14,193.88x = 19,570.20 × 8,879.48
  4. Step 4: Simplify right side
    14,193.88x = 173,773,199.50
  5. Step 5: Solve for x
    x = 173,773,199.50/14,193.88
  6. Step 6: Final answer
    x = 12,242.83

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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.