Home / 20,566.37-30,817.24-15,897.83

Finding the Fourth Proportional to 20,566.37, 30,817.24 and 15,897.83

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Solution

The fourth proportional to 20,566.37, 30,817.24 and 15,897.83 is: 23,821.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.37 : 30,817.24 = 15,897.83 : x
  2. Step 2: Convert to fraction form
    20,566.37/30,817.24 = 15,897.83/x
  3. Step 3: Cross multiply
    20,566.37x = 30,817.24 × 15,897.83
  4. Step 4: Simplify right side
    20,566.37x = 489,927,048.76
  5. Step 5: Solve for x
    x = 489,927,048.76/20,566.37
  6. Step 6: Final answer
    x = 23,821.75

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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.