Home / 20,050.16-30,059.02-8,372.12

Finding the Fourth Proportional to 20,050.16, 30,059.02 and 8,372.12

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Solution

The fourth proportional to 20,050.16, 30,059.02 and 8,372.12 is: 12,551.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.16 : 30,059.02 = 8,372.12 : x
  2. Step 2: Convert to fraction form
    20,050.16/30,059.02 = 8,372.12/x
  3. Step 3: Cross multiply
    20,050.16x = 30,059.02 × 8,372.12
  4. Step 4: Simplify right side
    20,050.16x = 251,657,722.52
  5. Step 5: Solve for x
    x = 251,657,722.52/20,050.16
  6. Step 6: Final answer
    x = 12,551.41

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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.