Home / 16,911.81-23,339.76-9,837.75

Finding the Fourth Proportional to 16,911.81, 23,339.76 and 9,837.75

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Solution

The fourth proportional to 16,911.81, 23,339.76 and 9,837.75 is: 13,576.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.81 : 23,339.76 = 9,837.75 : x
  2. Step 2: Convert to fraction form
    16,911.81/23,339.76 = 9,837.75/x
  3. Step 3: Cross multiply
    16,911.81x = 23,339.76 × 9,837.75
  4. Step 4: Simplify right side
    16,911.81x = 229,610,723.94
  5. Step 5: Solve for x
    x = 229,610,723.94/16,911.81
  6. Step 6: Final answer
    x = 13,576.95

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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.