Home / 43,356.96-65,035.46-12,192.21

Finding the Fourth Proportional to 43,356.96, 65,035.46 and 12,192.21

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Solution

The fourth proportional to 43,356.96, 65,035.46 and 12,192.21 is: 18,288.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,356.96 : 65,035.46 = 12,192.21 : x
  2. Step 2: Convert to fraction form
    43,356.96/65,035.46 = 12,192.21/x
  3. Step 3: Cross multiply
    43,356.96x = 65,035.46 × 12,192.21
  4. Step 4: Simplify right side
    43,356.96x = 792,925,985.77
  5. Step 5: Solve for x
    x = 792,925,985.77/43,356.96
  6. Step 6: Final answer
    x = 18,288.32

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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.