Home / 55,205.16-82,807.79-17,765.23

Finding the Fourth Proportional to 55,205.16, 82,807.79 and 17,765.23

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Solution

The fourth proportional to 55,205.16, 82,807.79 and 17,765.23 is: 26,647.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,205.16 : 82,807.79 = 17,765.23 : x
  2. Step 2: Convert to fraction form
    55,205.16/82,807.79 = 17,765.23/x
  3. Step 3: Cross multiply
    55,205.16x = 82,807.79 × 17,765.23
  4. Step 4: Simplify right side
    55,205.16x = 1,471,099,294.56
  5. Step 5: Solve for x
    x = 1,471,099,294.56/55,205.16
  6. Step 6: Final answer
    x = 26,647.86

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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.