Home / 43,181.94-64,772.54-12,017.10

Finding the Fourth Proportional to 43,181.94, 64,772.54 and 12,017.10

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Solution

The fourth proportional to 43,181.94, 64,772.54 and 12,017.10 is: 18,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,181.94 : 64,772.54 = 12,017.10 : x
  2. Step 2: Convert to fraction form
    43,181.94/64,772.54 = 12,017.10/x
  3. Step 3: Cross multiply
    43,181.94x = 64,772.54 × 12,017.10
  4. Step 4: Simplify right side
    43,181.94x = 778,378,090.43
  5. Step 5: Solve for x
    x = 778,378,090.43/43,181.94
  6. Step 6: Final answer
    x = 18,025.55

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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.