Home / 20,568.60-30,846.72-6,528.06

Finding the Fourth Proportional to 20,568.60, 30,846.72 and 6,528.06

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Solution

The fourth proportional to 20,568.60, 30,846.72 and 6,528.06 is: 9,790.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,568.60 : 30,846.72 = 6,528.06 : x
  2. Step 2: Convert to fraction form
    20,568.60/30,846.72 = 6,528.06/x
  3. Step 3: Cross multiply
    20,568.60x = 30,846.72 × 6,528.06
  4. Step 4: Simplify right side
    20,568.60x = 201,369,238.96
  5. Step 5: Solve for x
    x = 201,369,238.96/20,568.60
  6. Step 6: Final answer
    x = 9,790.13

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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.