Home / 23,299.48-34,920-18,349.54

Finding the Fourth Proportional to 23,299.48, 34,920 and 18,349.54

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Solution

The fourth proportional to 23,299.48, 34,920 and 18,349.54 is: 27,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,299.48 : 34,920 = 18,349.54 : x
  2. Step 2: Convert to fraction form
    23,299.48/34,920 = 18,349.54/x
  3. Step 3: Cross multiply
    23,299.48x = 34,920 × 18,349.54
  4. Step 4: Simplify right side
    23,299.48x = 640,765,936.80
  5. Step 5: Solve for x
    x = 640,765,936.80/23,299.48
  6. Step 6: Final answer
    x = 27,501.30

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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.