Home / 23,379.82-32,263.65-12,769.50

Finding the Fourth Proportional to 23,379.82, 32,263.65 and 12,769.50

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Solution

The fourth proportional to 23,379.82, 32,263.65 and 12,769.50 is: 17,621.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,379.82 : 32,263.65 = 12,769.50 : x
  2. Step 2: Convert to fraction form
    23,379.82/32,263.65 = 12,769.50/x
  3. Step 3: Cross multiply
    23,379.82x = 32,263.65 × 12,769.50
  4. Step 4: Simplify right side
    23,379.82x = 411,990,678.68
  5. Step 5: Solve for x
    x = 411,990,678.68/23,379.82
  6. Step 6: Final answer
    x = 17,621.64

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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.