Home / 21,595.93-32,398.44-12,240.43

Finding the Fourth Proportional to 21,595.93, 32,398.44 and 12,240.43

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Solution

The fourth proportional to 21,595.93, 32,398.44 and 12,240.43 is: 18,363.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,595.93 : 32,398.44 = 12,240.43 : x
  2. Step 2: Convert to fraction form
    21,595.93/32,398.44 = 12,240.43/x
  3. Step 3: Cross multiply
    21,595.93x = 32,398.44 × 12,240.43
  4. Step 4: Simplify right side
    21,595.93x = 396,570,613.73
  5. Step 5: Solve for x
    x = 396,570,613.73/21,595.93
  6. Step 6: Final answer
    x = 18,363.21

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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.