Home / 19,247.90-28,874.48-9,380.34

Finding the Fourth Proportional to 19,247.90, 28,874.48 and 9,380.34

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Solution

The fourth proportional to 19,247.90, 28,874.48 and 9,380.34 is: 14,071.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.90 : 28,874.48 = 9,380.34 : x
  2. Step 2: Convert to fraction form
    19,247.90/28,874.48 = 9,380.34/x
  3. Step 3: Cross multiply
    19,247.90x = 28,874.48 × 9,380.34
  4. Step 4: Simplify right side
    19,247.90x = 270,852,392.82
  5. Step 5: Solve for x
    x = 270,852,392.82/19,247.90
  6. Step 6: Final answer
    x = 14,071.79

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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.