Home / 13,035.70-19,553.55-4,270.90

Finding the Fourth Proportional to 13,035.70, 19,553.55 and 4,270.90

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Solution

The fourth proportional to 13,035.70, 19,553.55 and 4,270.90 is: 6,406.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,035.70 : 19,553.55 = 4,270.90 : x
  2. Step 2: Convert to fraction form
    13,035.70/19,553.55 = 4,270.90/x
  3. Step 3: Cross multiply
    13,035.70x = 19,553.55 × 4,270.90
  4. Step 4: Simplify right side
    13,035.70x = 83,511,256.70
  5. Step 5: Solve for x
    x = 83,511,256.70/13,035.70
  6. Step 6: Final answer
    x = 6,406.35

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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.