Home / 20,595.98-30,820.16-17,832.20

Finding the Fourth Proportional to 20,595.98, 30,820.16 and 17,832.20

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Solution

The fourth proportional to 20,595.98, 30,820.16 and 17,832.20 is: 26,684.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.98 : 30,820.16 = 17,832.20 : x
  2. Step 2: Convert to fraction form
    20,595.98/30,820.16 = 17,832.20/x
  3. Step 3: Cross multiply
    20,595.98x = 30,820.16 × 17,832.20
  4. Step 4: Simplify right side
    20,595.98x = 549,591,147.63
  5. Step 5: Solve for x
    x = 549,591,147.63/20,595.98
  6. Step 6: Final answer
    x = 26,684.39

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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.