Home / 13,020.67-19,533.44-4,256.07

Finding the Fourth Proportional to 13,020.67, 19,533.44 and 4,256.07

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Solution

The fourth proportional to 13,020.67, 19,533.44 and 4,256.07 is: 6,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.67 : 19,533.44 = 4,256.07 : x
  2. Step 2: Convert to fraction form
    13,020.67/19,533.44 = 4,256.07/x
  3. Step 3: Cross multiply
    13,020.67x = 19,533.44 × 4,256.07
  4. Step 4: Simplify right side
    13,020.67x = 83,135,687.98
  5. Step 5: Solve for x
    x = 83,135,687.98/13,020.67
  6. Step 6: Final answer
    x = 6,384.90

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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.