Home / 16,199.69-22,355.47-9,128.39

Finding the Fourth Proportional to 16,199.69, 22,355.47 and 9,128.39

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Solution

The fourth proportional to 16,199.69, 22,355.47 and 9,128.39 is: 12,597.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,199.69 : 22,355.47 = 9,128.39 : x
  2. Step 2: Convert to fraction form
    16,199.69/22,355.47 = 9,128.39/x
  3. Step 3: Cross multiply
    16,199.69x = 22,355.47 × 9,128.39
  4. Step 4: Simplify right side
    16,199.69x = 204,069,448.79
  5. Step 5: Solve for x
    x = 204,069,448.79/16,199.69
  6. Step 6: Final answer
    x = 12,597.12

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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.