Home / 16,935.41-23,369.05-9,381.55

Finding the Fourth Proportional to 16,935.41, 23,369.05 and 9,381.55

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Solution

The fourth proportional to 16,935.41, 23,369.05 and 9,381.55 is: 12,945.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,935.41 : 23,369.05 = 9,381.55 : x
  2. Step 2: Convert to fraction form
    16,935.41/23,369.05 = 9,381.55/x
  3. Step 3: Cross multiply
    16,935.41x = 23,369.05 × 9,381.55
  4. Step 4: Simplify right side
    16,935.41x = 219,237,911.03
  5. Step 5: Solve for x
    x = 219,237,911.03/16,935.41
  6. Step 6: Final answer
    x = 12,945.53

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Double scale
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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.