Home / 16,877.54-23,291.10-9,323.78

Finding the Fourth Proportional to 16,877.54, 23,291.10 and 9,323.78

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Solution

The fourth proportional to 16,877.54, 23,291.10 and 9,323.78 is: 12,866.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,877.54 : 23,291.10 = 9,323.78 : x
  2. Step 2: Convert to fraction form
    16,877.54/23,291.10 = 9,323.78/x
  3. Step 3: Cross multiply
    16,877.54x = 23,291.10 × 9,323.78
  4. Step 4: Simplify right side
    16,877.54x = 217,161,092.36
  5. Step 5: Solve for x
    x = 217,161,092.36/16,877.54
  6. Step 6: Final answer
    x = 12,866.87

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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.