Home / 16,197.02-22,352.33-9,905.75

Finding the Fourth Proportional to 16,197.02, 22,352.33 and 9,905.75

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Solution

The fourth proportional to 16,197.02, 22,352.33 and 9,905.75 is: 13,670.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,197.02 : 22,352.33 = 9,905.75 : x
  2. Step 2: Convert to fraction form
    16,197.02/22,352.33 = 9,905.75/x
  3. Step 3: Cross multiply
    16,197.02x = 22,352.33 × 9,905.75
  4. Step 4: Simplify right side
    16,197.02x = 221,416,592.90
  5. Step 5: Solve for x
    x = 221,416,592.90/16,197.02
  6. Step 6: Final answer
    x = 13,670.21

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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.