Home / 25,343.24-38,015.40-7,813.04

Finding the Fourth Proportional to 25,343.24, 38,015.40 and 7,813.04

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Solution

The fourth proportional to 25,343.24, 38,015.40 and 7,813.04 is: 11,719.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,343.24 : 38,015.40 = 7,813.04 : x
  2. Step 2: Convert to fraction form
    25,343.24/38,015.40 = 7,813.04/x
  3. Step 3: Cross multiply
    25,343.24x = 38,015.40 × 7,813.04
  4. Step 4: Simplify right side
    25,343.24x = 297,015,840.82
  5. Step 5: Solve for x
    x = 297,015,840.82/25,343.24
  6. Step 6: Final answer
    x = 11,719.73

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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.