Home / 13,708.44-20,562.59-3,320.19

Finding the Fourth Proportional to 13,708.44, 20,562.59 and 3,320.19

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Solution

The fourth proportional to 13,708.44, 20,562.59 and 3,320.19 is: 4,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708.44 : 20,562.59 = 3,320.19 : x
  2. Step 2: Convert to fraction form
    13,708.44/20,562.59 = 3,320.19/x
  3. Step 3: Cross multiply
    13,708.44x = 20,562.59 × 3,320.19
  4. Step 4: Simplify right side
    13,708.44x = 68,271,689.09
  5. Step 5: Solve for x
    x = 68,271,689.09/13,708.44
  6. Step 6: Final answer
    x = 4,980.27

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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.