Home / 16,742.36-23,104.40-9,188.82

Finding the Fourth Proportional to 16,742.36, 23,104.40 and 9,188.82

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Solution

The fourth proportional to 16,742.36, 23,104.40 and 9,188.82 is: 12,680.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,742.36 : 23,104.40 = 9,188.82 : x
  2. Step 2: Convert to fraction form
    16,742.36/23,104.40 = 9,188.82/x
  3. Step 3: Cross multiply
    16,742.36x = 23,104.40 × 9,188.82
  4. Step 4: Simplify right side
    16,742.36x = 212,302,172.81
  5. Step 5: Solve for x
    x = 212,302,172.81/16,742.36
  6. Step 6: Final answer
    x = 12,680.54

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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.