Home / 55,646.12-83,474.34-18,206.42

Finding the Fourth Proportional to 55,646.12, 83,474.34 and 18,206.42

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Solution

The fourth proportional to 55,646.12, 83,474.34 and 18,206.42 is: 27,311.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,646.12 : 83,474.34 = 18,206.42 : x
  2. Step 2: Convert to fraction form
    55,646.12/83,474.34 = 18,206.42/x
  3. Step 3: Cross multiply
    55,646.12x = 83,474.34 × 18,206.42
  4. Step 4: Simplify right side
    55,646.12x = 1,519,768,893.26
  5. Step 5: Solve for x
    x = 1,519,768,893.26/55,646.12
  6. Step 6: Final answer
    x = 27,311.32

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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.