Home / 23,028.48-34,566.78-20,412.72

Finding the Fourth Proportional to 23,028.48, 34,566.78 and 20,412.72

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Solution

The fourth proportional to 23,028.48, 34,566.78 and 20,412.72 is: 30,640.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,028.48 : 34,566.78 = 20,412.72 : x
  2. Step 2: Convert to fraction form
    23,028.48/34,566.78 = 20,412.72/x
  3. Step 3: Cross multiply
    23,028.48x = 34,566.78 × 20,412.72
  4. Step 4: Simplify right side
    23,028.48x = 705,602,001.44
  5. Step 5: Solve for x
    x = 705,602,001.44/23,028.48
  6. Step 6: Final answer
    x = 30,640.41

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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.