Home / 20,592.02-30,890.43-7,450.58

Finding the Fourth Proportional to 20,592.02, 30,890.43 and 7,450.58

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Solution

The fourth proportional to 20,592.02, 30,890.43 and 7,450.58 is: 11,176.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592.02 : 30,890.43 = 7,450.58 : x
  2. Step 2: Convert to fraction form
    20,592.02/30,890.43 = 7,450.58/x
  3. Step 3: Cross multiply
    20,592.02x = 30,890.43 × 7,450.58
  4. Step 4: Simplify right side
    20,592.02x = 230,151,619.95
  5. Step 5: Solve for x
    x = 230,151,619.95/20,592.02
  6. Step 6: Final answer
    x = 11,176.74

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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.