Home / 14,219.15-19,619.21-8,552.39

Finding the Fourth Proportional to 14,219.15, 19,619.21 and 8,552.39

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Solution

The fourth proportional to 14,219.15, 19,619.21 and 8,552.39 is: 11,800.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219.15 : 19,619.21 = 8,552.39 : x
  2. Step 2: Convert to fraction form
    14,219.15/19,619.21 = 8,552.39/x
  3. Step 3: Cross multiply
    14,219.15x = 19,619.21 × 8,552.39
  4. Step 4: Simplify right side
    14,219.15x = 167,791,058.70
  5. Step 5: Solve for x
    x = 167,791,058.70/14,219.15
  6. Step 6: Final answer
    x = 11,800.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.