Home / 16,918.24-23,345.71-9,364.58

Finding the Fourth Proportional to 16,918.24, 23,345.71 and 9,364.58

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Solution

The fourth proportional to 16,918.24, 23,345.71 and 9,364.58 is: 12,922.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.24 : 23,345.71 = 9,364.58 : x
  2. Step 2: Convert to fraction form
    16,918.24/23,345.71 = 9,364.58/x
  3. Step 3: Cross multiply
    16,918.24x = 23,345.71 × 9,364.58
  4. Step 4: Simplify right side
    16,918.24x = 218,622,768.95
  5. Step 5: Solve for x
    x = 218,622,768.95/16,918.24
  6. Step 6: Final answer
    x = 12,922.31

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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.