Home / 14,002.15-19,323.32-8,622.55

Finding the Fourth Proportional to 14,002.15, 19,323.32 and 8,622.55

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Solution

The fourth proportional to 14,002.15, 19,323.32 and 8,622.55 is: 11,899.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.15 : 19,323.32 = 8,622.55 : x
  2. Step 2: Convert to fraction form
    14,002.15/19,323.32 = 8,622.55/x
  3. Step 3: Cross multiply
    14,002.15x = 19,323.32 × 8,622.55
  4. Step 4: Simplify right side
    14,002.15x = 166,616,249.75
  5. Step 5: Solve for x
    x = 166,616,249.75/14,002.15
  6. Step 6: Final answer
    x = 11,899.33

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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.