Home / 55,211.76-82,830.85-17,775.33

Finding the Fourth Proportional to 55,211.76, 82,830.85 and 17,775.33

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Solution

The fourth proportional to 55,211.76, 82,830.85 and 17,775.33 is: 26,667.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,211.76 : 82,830.85 = 17,775.33 : x
  2. Step 2: Convert to fraction form
    55,211.76/82,830.85 = 17,775.33/x
  3. Step 3: Cross multiply
    55,211.76x = 82,830.85 × 17,775.33
  4. Step 4: Simplify right side
    55,211.76x = 1,472,345,903.79
  5. Step 5: Solve for x
    x = 1,472,345,903.79/55,211.76
  6. Step 6: Final answer
    x = 26,667.25

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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.