Home / 14,157.86-19,540.26-8,193.18

Finding the Fourth Proportional to 14,157.86, 19,540.26 and 8,193.18

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Solution

The fourth proportional to 14,157.86, 19,540.26 and 8,193.18 is: 11,307.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.86 : 19,540.26 = 8,193.18 : x
  2. Step 2: Convert to fraction form
    14,157.86/19,540.26 = 8,193.18/x
  3. Step 3: Cross multiply
    14,157.86x = 19,540.26 × 8,193.18
  4. Step 4: Simplify right side
    14,157.86x = 160,096,867.43
  5. Step 5: Solve for x
    x = 160,096,867.43/14,157.86
  6. Step 6: Final answer
    x = 11,307.98

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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.