Home / 16,767.41-23,138.46-9,213.75

Finding the Fourth Proportional to 16,767.41, 23,138.46 and 9,213.75

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Solution

The fourth proportional to 16,767.41, 23,138.46 and 9,213.75 is: 12,714.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,767.41 : 23,138.46 = 9,213.75 : x
  2. Step 2: Convert to fraction form
    16,767.41/23,138.46 = 9,213.75/x
  3. Step 3: Cross multiply
    16,767.41x = 23,138.46 × 9,213.75
  4. Step 4: Simplify right side
    16,767.41x = 213,191,985.83
  5. Step 5: Solve for x
    x = 213,191,985.83/16,767.41
  6. Step 6: Final answer
    x = 12,714.67

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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.