Home / 14,619.34-21,919.37-5,254.66

Finding the Fourth Proportional to 14,619.34, 21,919.37 and 5,254.66

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Solution

The fourth proportional to 14,619.34, 21,919.37 and 5,254.66 is: 7,878.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.34 : 21,919.37 = 5,254.66 : x
  2. Step 2: Convert to fraction form
    14,619.34/21,919.37 = 5,254.66/x
  3. Step 3: Cross multiply
    14,619.34x = 21,919.37 × 5,254.66
  4. Step 4: Simplify right side
    14,619.34x = 115,178,836.76
  5. Step 5: Solve for x
    x = 115,178,836.76/14,619.34
  6. Step 6: Final answer
    x = 7,878.53

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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.