Home / 13,713.62-20,577.87-5,820.57

Finding the Fourth Proportional to 13,713.62, 20,577.87 and 5,820.57

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Solution

The fourth proportional to 13,713.62, 20,577.87 and 5,820.57 is: 8,734.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713.62 : 20,577.87 = 5,820.57 : x
  2. Step 2: Convert to fraction form
    13,713.62/20,577.87 = 5,820.57/x
  3. Step 3: Cross multiply
    13,713.62x = 20,577.87 × 5,820.57
  4. Step 4: Simplify right side
    13,713.62x = 119,774,903.68
  5. Step 5: Solve for x
    x = 119,774,903.68/13,713.62
  6. Step 6: Final answer
    x = 8,734.01

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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.