Home / 16,742.48-23,104.67-9,188.87

Finding the Fourth Proportional to 16,742.48, 23,104.67 and 9,188.87

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Solution

The fourth proportional to 16,742.48, 23,104.67 and 9,188.87 is: 12,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,742.48 : 23,104.67 = 9,188.87 : x
  2. Step 2: Convert to fraction form
    16,742.48/23,104.67 = 9,188.87/x
  3. Step 3: Cross multiply
    16,742.48x = 23,104.67 × 9,188.87
  4. Step 4: Simplify right side
    16,742.48x = 212,305,763.08
  5. Step 5: Solve for x
    x = 212,305,763.08/16,742.48
  6. Step 6: Final answer
    x = 12,680.66

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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.