Home / 16,761.65-23,131.35-9,208.67

Finding the Fourth Proportional to 16,761.65, 23,131.35 and 9,208.67

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Solution

The fourth proportional to 16,761.65, 23,131.35 and 9,208.67 is: 12,708.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,761.65 : 23,131.35 = 9,208.67 : x
  2. Step 2: Convert to fraction form
    16,761.65/23,131.35 = 9,208.67/x
  3. Step 3: Cross multiply
    16,761.65x = 23,131.35 × 9,208.67
  4. Step 4: Simplify right side
    16,761.65x = 213,008,968.80
  5. Step 5: Solve for x
    x = 213,008,968.80/16,761.65
  6. Step 6: Final answer
    x = 12,708.11

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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.