Home / 55,612.08-83,417.85-18,197.64

Finding the Fourth Proportional to 55,612.08, 83,417.85 and 18,197.64

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Solution

The fourth proportional to 55,612.08, 83,417.85 and 18,197.64 is: 27,296.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,612.08 : 83,417.85 = 18,197.64 : x
  2. Step 2: Convert to fraction form
    55,612.08/83,417.85 = 18,197.64/x
  3. Step 3: Cross multiply
    55,612.08x = 83,417.85 × 18,197.64
  4. Step 4: Simplify right side
    55,612.08x = 1,518,008,003.87
  5. Step 5: Solve for x
    x = 1,518,008,003.87/55,612.08
  6. Step 6: Final answer
    x = 27,296.37

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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.