Home / 13,160.96-19,744.54-4,276.26

Finding the Fourth Proportional to 13,160.96, 19,744.54 and 4,276.26

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Solution

The fourth proportional to 13,160.96, 19,744.54 and 4,276.26 is: 6,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.96 : 19,744.54 = 4,276.26 : x
  2. Step 2: Convert to fraction form
    13,160.96/19,744.54 = 4,276.26/x
  3. Step 3: Cross multiply
    13,160.96x = 19,744.54 × 4,276.26
  4. Step 4: Simplify right side
    13,160.96x = 84,432,786.62
  5. Step 5: Solve for x
    x = 84,432,786.62/13,160.96
  6. Step 6: Final answer
    x = 6,415.40

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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.