Home / 23,121.08-34,626.10-13,230.36

Finding the Fourth Proportional to 23,121.08, 34,626.10 and 13,230.36

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Solution

The fourth proportional to 23,121.08, 34,626.10 and 13,230.36 is: 19,813.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,121.08 : 34,626.10 = 13,230.36 : x
  2. Step 2: Convert to fraction form
    23,121.08/34,626.10 = 13,230.36/x
  3. Step 3: Cross multiply
    23,121.08x = 34,626.10 × 13,230.36
  4. Step 4: Simplify right side
    23,121.08x = 458,115,768.40
  5. Step 5: Solve for x
    x = 458,115,768.40/23,121.08
  6. Step 6: Final answer
    x = 19,813.77

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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.