Home / 13,114.96-18,099.54-8,012.66

Finding the Fourth Proportional to 13,114.96, 18,099.54 and 8,012.66

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Solution

The fourth proportional to 13,114.96, 18,099.54 and 8,012.66 is: 11,058.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114.96 : 18,099.54 = 8,012.66 : x
  2. Step 2: Convert to fraction form
    13,114.96/18,099.54 = 8,012.66/x
  3. Step 3: Cross multiply
    13,114.96x = 18,099.54 × 8,012.66
  4. Step 4: Simplify right side
    13,114.96x = 145,025,460.18
  5. Step 5: Solve for x
    x = 145,025,460.18/13,114.96
  6. Step 6: Final answer
    x = 11,058.02

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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.