Home / 23,151.54-34,735.64-9,103.78

Finding the Fourth Proportional to 23,151.54, 34,735.64 and 9,103.78

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Solution

The fourth proportional to 23,151.54, 34,735.64 and 9,103.78 is: 13,658.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,151.54 : 34,735.64 = 9,103.78 : x
  2. Step 2: Convert to fraction form
    23,151.54/34,735.64 = 9,103.78/x
  3. Step 3: Cross multiply
    23,151.54x = 34,735.64 × 9,103.78
  4. Step 4: Simplify right side
    23,151.54x = 316,225,492.36
  5. Step 5: Solve for x
    x = 316,225,492.36/23,151.54
  6. Step 6: Final answer
    x = 13,658.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.