Home / 55,847.53-83,783.61-18,406.09

Finding the Fourth Proportional to 55,847.53, 83,783.61 and 18,406.09

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Solution

The fourth proportional to 55,847.53, 83,783.61 and 18,406.09 is: 27,613.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,847.53 : 83,783.61 = 18,406.09 : x
  2. Step 2: Convert to fraction form
    55,847.53/83,783.61 = 18,406.09/x
  3. Step 3: Cross multiply
    55,847.53x = 83,783.61 × 18,406.09
  4. Step 4: Simplify right side
    55,847.53x = 1,542,128,666.18
  5. Step 5: Solve for x
    x = 1,542,128,666.18/55,847.53
  6. Step 6: Final answer
    x = 27,613.19

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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.