Home / 23,379.85-32,263.98-12,769.48

Finding the Fourth Proportional to 23,379.85, 32,263.98 and 12,769.48

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Solution

The fourth proportional to 23,379.85, 32,263.98 and 12,769.48 is: 17,621.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,379.85 : 32,263.98 = 12,769.48 : x
  2. Step 2: Convert to fraction form
    23,379.85/32,263.98 = 12,769.48/x
  3. Step 3: Cross multiply
    23,379.85x = 32,263.98 × 12,769.48
  4. Step 4: Simplify right side
    23,379.85x = 411,994,247.33
  5. Step 5: Solve for x
    x = 411,994,247.33/23,379.85
  6. Step 6: Final answer
    x = 17,621.77

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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.