Home / 16,238.50-22,409.13-9,164.77

Finding the Fourth Proportional to 16,238.50, 22,409.13 and 9,164.77

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Solution

The fourth proportional to 16,238.50, 22,409.13 and 9,164.77 is: 12,647.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,238.50 : 22,409.13 = 9,164.77 : x
  2. Step 2: Convert to fraction form
    16,238.50/22,409.13 = 9,164.77/x
  3. Step 3: Cross multiply
    16,238.50x = 22,409.13 × 9,164.77
  4. Step 4: Simplify right side
    16,238.50x = 205,374,522.35
  5. Step 5: Solve for x
    x = 205,374,522.35/16,238.50
  6. Step 6: Final answer
    x = 12,647.38

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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.