Home / 20,570.60-30,846.72-6,526.64

Finding the Fourth Proportional to 20,570.60, 30,846.72 and 6,526.64

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Solution

The fourth proportional to 20,570.60, 30,846.72 and 6,526.64 is: 9,787.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,570.60 : 30,846.72 = 6,526.64 : x
  2. Step 2: Convert to fraction form
    20,570.60/30,846.72 = 6,526.64/x
  3. Step 3: Cross multiply
    20,570.60x = 30,846.72 × 6,526.64
  4. Step 4: Simplify right side
    20,570.60x = 201,325,436.62
  5. Step 5: Solve for x
    x = 201,325,436.62/20,570.60
  6. Step 6: Final answer
    x = 9,787.05

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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.