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Finding the Fourth Proportional to 16,895.81, 23,316.23 and 9,443.81

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Solution

The fourth proportional to 16,895.81, 23,316.23 and 9,443.81 is: 13,032.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,895.81 : 23,316.23 = 9,443.81 : x
  2. Step 2: Convert to fraction form
    16,895.81/23,316.23 = 9,443.81/x
  3. Step 3: Cross multiply
    16,895.81x = 23,316.23 × 9,443.81
  4. Step 4: Simplify right side
    16,895.81x = 220,194,127.94
  5. Step 5: Solve for x
    x = 220,194,127.94/16,895.81
  6. Step 6: Final answer
    x = 13,032.47

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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.