Home / 16,935.16-23,370.50-9,381.49

Finding the Fourth Proportional to 16,935.16, 23,370.50 and 9,381.49

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Solution

The fourth proportional to 16,935.16, 23,370.50 and 9,381.49 is: 12,946.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,935.16 : 23,370.50 = 9,381.49 : x
  2. Step 2: Convert to fraction form
    16,935.16/23,370.50 = 9,381.49/x
  3. Step 3: Cross multiply
    16,935.16x = 23,370.50 × 9,381.49
  4. Step 4: Simplify right side
    16,935.16x = 219,250,112.05
  5. Step 5: Solve for x
    x = 219,250,112.05/16,935.16
  6. Step 6: Final answer
    x = 12,946.44

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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.