Home / 16,558.51-22,850.64-9,389.79

Finding the Fourth Proportional to 16,558.51, 22,850.64 and 9,389.79

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Solution

The fourth proportional to 16,558.51, 22,850.64 and 9,389.79 is: 12,957.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,558.51 : 22,850.64 = 9,389.79 : x
  2. Step 2: Convert to fraction form
    16,558.51/22,850.64 = 9,389.79/x
  3. Step 3: Cross multiply
    16,558.51x = 22,850.64 × 9,389.79
  4. Step 4: Simplify right side
    16,558.51x = 214,562,710.97
  5. Step 5: Solve for x
    x = 214,562,710.97/16,558.51
  6. Step 6: Final answer
    x = 12,957.85

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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.