Home / 14,415.96-21,595.14-13,197.72

Finding the Fourth Proportional to 14,415.96, 21,595.14 and 13,197.72

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Solution

The fourth proportional to 14,415.96, 21,595.14 and 13,197.72 is: 19,770.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415.96 : 21,595.14 = 13,197.72 : x
  2. Step 2: Convert to fraction form
    14,415.96/21,595.14 = 13,197.72/x
  3. Step 3: Cross multiply
    14,415.96x = 21,595.14 × 13,197.72
  4. Step 4: Simplify right side
    14,415.96x = 285,006,611.08
  5. Step 5: Solve for x
    x = 285,006,611.08/14,415.96
  6. Step 6: Final answer
    x = 19,770.21

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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.