Home / 55,245.40-82,856.46-17,808.76

Finding the Fourth Proportional to 55,245.40, 82,856.46 and 17,808.76

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Solution

The fourth proportional to 55,245.40, 82,856.46 and 17,808.76 is: 26,709.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,245.40 : 82,856.46 = 17,808.76 : x
  2. Step 2: Convert to fraction form
    55,245.40/82,856.46 = 17,808.76/x
  3. Step 3: Cross multiply
    55,245.40x = 82,856.46 × 17,808.76
  4. Step 4: Simplify right side
    55,245.40x = 1,475,570,810.59
  5. Step 5: Solve for x
    x = 1,475,570,810.59/55,245.40
  6. Step 6: Final answer
    x = 26,709.39

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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.