Home / 16,403.16-22,636.86-9,330.60

Finding the Fourth Proportional to 16,403.16, 22,636.86 and 9,330.60

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Solution

The fourth proportional to 16,403.16, 22,636.86 and 9,330.60 is: 12,876.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,403.16 : 22,636.86 = 9,330.60 : x
  2. Step 2: Convert to fraction form
    16,403.16/22,636.86 = 9,330.60/x
  3. Step 3: Cross multiply
    16,403.16x = 22,636.86 × 9,330.60
  4. Step 4: Simplify right side
    16,403.16x = 211,215,485.92
  5. Step 5: Solve for x
    x = 211,215,485.92/16,403.16
  6. Step 6: Final answer
    x = 12,876.51

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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.