Home / 19,376.75-29,065.40-5,525.75

Finding the Fourth Proportional to 19,376.75, 29,065.40 and 5,525.75

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Solution

The fourth proportional to 19,376.75, 29,065.40 and 5,525.75 is: 8,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,376.75 : 29,065.40 = 5,525.75 : x
  2. Step 2: Convert to fraction form
    19,376.75/29,065.40 = 5,525.75/x
  3. Step 3: Cross multiply
    19,376.75x = 29,065.40 × 5,525.75
  4. Step 4: Simplify right side
    19,376.75x = 160,608,134.05
  5. Step 5: Solve for x
    x = 160,608,134.05/19,376.75
  6. Step 6: Final answer
    x = 8,288.70

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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.