Home / 16,742.32-23,103.49-9,188.53

Finding the Fourth Proportional to 16,742.32, 23,103.49 and 9,188.53

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Solution

The fourth proportional to 16,742.32, 23,103.49 and 9,188.53 is: 12,679.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,742.32 : 23,103.49 = 9,188.53 : x
  2. Step 2: Convert to fraction form
    16,742.32/23,103.49 = 9,188.53/x
  3. Step 3: Cross multiply
    16,742.32x = 23,103.49 × 9,188.53
  4. Step 4: Simplify right side
    16,742.32x = 212,287,110.97
  5. Step 5: Solve for x
    x = 212,287,110.97/16,742.32
  6. Step 6: Final answer
    x = 12,679.67

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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.