Home / 20,845.02-28,763.54-16,606.86

Finding the Fourth Proportional to 20,845.02, 28,763.54 and 16,606.86

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Solution

The fourth proportional to 20,845.02, 28,763.54 and 16,606.86 is: 22,915.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,845.02 : 28,763.54 = 16,606.86 : x
  2. Step 2: Convert to fraction form
    20,845.02/28,763.54 = 16,606.86/x
  3. Step 3: Cross multiply
    20,845.02x = 28,763.54 × 16,606.86
  4. Step 4: Simplify right side
    20,845.02x = 477,672,081.88
  5. Step 5: Solve for x
    x = 477,672,081.88/20,845.02
  6. Step 6: Final answer
    x = 22,915.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.