Home / 13,728.96-20,595.22-4,962.68

Finding the Fourth Proportional to 13,728.96, 20,595.22 and 4,962.68

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Solution

The fourth proportional to 13,728.96, 20,595.22 and 4,962.68 is: 7,444.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,728.96 : 20,595.22 = 4,962.68 : x
  2. Step 2: Convert to fraction form
    13,728.96/20,595.22 = 4,962.68/x
  3. Step 3: Cross multiply
    13,728.96x = 20,595.22 × 4,962.68
  4. Step 4: Simplify right side
    13,728.96x = 102,207,486.39
  5. Step 5: Solve for x
    x = 102,207,486.39/13,728.96
  6. Step 6: Final answer
    x = 7,444.66

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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.