Home / 16,935.35-23,370.79-9,278.66

Finding the Fourth Proportional to 16,935.35, 23,370.79 and 9,278.66

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Solution

The fourth proportional to 16,935.35, 23,370.79 and 9,278.66 is: 12,804.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,935.35 : 23,370.79 = 9,278.66 : x
  2. Step 2: Convert to fraction form
    16,935.35/23,370.79 = 9,278.66/x
  3. Step 3: Cross multiply
    16,935.35x = 23,370.79 × 9,278.66
  4. Step 4: Simplify right side
    16,935.35x = 216,849,684.37
  5. Step 5: Solve for x
    x = 216,849,684.37/16,935.35
  6. Step 6: Final answer
    x = 12,804.56

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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.