Home / 16,486.55-22,759.32-9,411.60

Finding the Fourth Proportional to 16,486.55, 22,759.32 and 9,411.60

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Solution

The fourth proportional to 16,486.55, 22,759.32 and 9,411.60 is: 12,992.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,486.55 : 22,759.32 = 9,411.60 : x
  2. Step 2: Convert to fraction form
    16,486.55/22,759.32 = 9,411.60/x
  3. Step 3: Cross multiply
    16,486.55x = 22,759.32 × 9,411.60
  4. Step 4: Simplify right side
    16,486.55x = 214,201,616.11
  5. Step 5: Solve for x
    x = 214,201,616.11/16,486.55
  6. Step 6: Final answer
    x = 12,992.51

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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.