Home / 19,247.60-28,872.40-9,395.28

Finding the Fourth Proportional to 19,247.60, 28,872.40 and 9,395.28

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Solution

The fourth proportional to 19,247.60, 28,872.40 and 9,395.28 is: 14,093.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.60 : 28,872.40 = 9,395.28 : x
  2. Step 2: Convert to fraction form
    19,247.60/28,872.40 = 9,395.28/x
  3. Step 3: Cross multiply
    19,247.60x = 28,872.40 × 9,395.28
  4. Step 4: Simplify right side
    19,247.60x = 271,264,282.27
  5. Step 5: Solve for x
    x = 271,264,282.27/19,247.60
  6. Step 6: Final answer
    x = 14,093.41

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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.