Home / 16,380.25-22,607.74-10,720.02

Finding the Fourth Proportional to 16,380.25, 22,607.74 and 10,720.02

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Solution

The fourth proportional to 16,380.25, 22,607.74 and 10,720.02 is: 14,795.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,380.25 : 22,607.74 = 10,720.02 : x
  2. Step 2: Convert to fraction form
    16,380.25/22,607.74 = 10,720.02/x
  3. Step 3: Cross multiply
    16,380.25x = 22,607.74 × 10,720.02
  4. Step 4: Simplify right side
    16,380.25x = 242,355,424.95
  5. Step 5: Solve for x
    x = 242,355,424.95/16,380.25
  6. Step 6: Final answer
    x = 14,795.59

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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.