Home / 13,337.40-20,006.46-4,572.12

Finding the Fourth Proportional to 13,337.40, 20,006.46 and 4,572.12

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Solution

The fourth proportional to 13,337.40, 20,006.46 and 4,572.12 is: 6,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.40 : 20,006.46 = 4,572.12 : x
  2. Step 2: Convert to fraction form
    13,337.40/20,006.46 = 4,572.12/x
  3. Step 3: Cross multiply
    13,337.40x = 20,006.46 × 4,572.12
  4. Step 4: Simplify right side
    13,337.40x = 91,471,935.90
  5. Step 5: Solve for x
    x = 91,471,935.90/13,337.40
  6. Step 6: Final answer
    x = 6,858.30

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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.