Home / 17,622.75-24,246.32-15,389.96

Finding the Fourth Proportional to 17,622.75, 24,246.32 and 15,389.96

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Solution

The fourth proportional to 17,622.75, 24,246.32 and 15,389.96 is: 21,174.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,622.75 : 24,246.32 = 15,389.96 : x
  2. Step 2: Convert to fraction form
    17,622.75/24,246.32 = 15,389.96/x
  3. Step 3: Cross multiply
    17,622.75x = 24,246.32 × 15,389.96
  4. Step 4: Simplify right side
    17,622.75x = 373,149,894.95
  5. Step 5: Solve for x
    x = 373,149,894.95/17,622.75
  6. Step 6: Final answer
    x = 21,174.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.