Home / 13,770.32-19,003.44-8,468.24

Finding the Fourth Proportional to 13,770.32, 19,003.44 and 8,468.24

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Solution

The fourth proportional to 13,770.32, 19,003.44 and 8,468.24 is: 11,686.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770.32 : 19,003.44 = 8,468.24 : x
  2. Step 2: Convert to fraction form
    13,770.32/19,003.44 = 8,468.24/x
  3. Step 3: Cross multiply
    13,770.32x = 19,003.44 × 8,468.24
  4. Step 4: Simplify right side
    13,770.32x = 160,925,690.75
  5. Step 5: Solve for x
    x = 160,925,690.75/13,770.32
  6. Step 6: Final answer
    x = 11,686.42

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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.