Home / 43,495.86-65,254.74-12,331.14

Finding the Fourth Proportional to 43,495.86, 65,254.74 and 12,331.14

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Solution

The fourth proportional to 43,495.86, 65,254.74 and 12,331.14 is: 18,499.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,495.86 : 65,254.74 = 12,331.14 : x
  2. Step 2: Convert to fraction form
    43,495.86/65,254.74 = 12,331.14/x
  3. Step 3: Cross multiply
    43,495.86x = 65,254.74 × 12,331.14
  4. Step 4: Simplify right side
    43,495.86x = 804,665,334.60
  5. Step 5: Solve for x
    x = 804,665,334.60/43,495.86
  6. Step 6: Final answer
    x = 18,499.81

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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.