Home / 16,200.07-22,355.99-9,128.77

Finding the Fourth Proportional to 16,200.07, 22,355.99 and 9,128.77

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Solution

The fourth proportional to 16,200.07, 22,355.99 and 9,128.77 is: 12,597.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,200.07 : 22,355.99 = 9,128.77 : x
  2. Step 2: Convert to fraction form
    16,200.07/22,355.99 = 9,128.77/x
  3. Step 3: Cross multiply
    16,200.07x = 22,355.99 × 9,128.77
  4. Step 4: Simplify right side
    16,200.07x = 204,082,690.83
  5. Step 5: Solve for x
    x = 204,082,690.83/16,200.07
  6. Step 6: Final answer
    x = 12,597.64

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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.