Home / 13,164.15-19,748.07-4,276.62

Finding the Fourth Proportional to 13,164.15, 19,748.07 and 4,276.62

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Solution

The fourth proportional to 13,164.15, 19,748.07 and 4,276.62 is: 6,415.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164.15 : 19,748.07 = 4,276.62 : x
  2. Step 2: Convert to fraction form
    13,164.15/19,748.07 = 4,276.62/x
  3. Step 3: Cross multiply
    13,164.15x = 19,748.07 × 4,276.62
  4. Step 4: Simplify right side
    13,164.15x = 84,455,028.62
  5. Step 5: Solve for x
    x = 84,455,028.62/13,164.15
  6. Step 6: Final answer
    x = 6,415.53

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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.