Home / 16,862.80-23,257.50-10,813.61

Finding the Fourth Proportional to 16,862.80, 23,257.50 and 10,813.61

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Solution

The fourth proportional to 16,862.80, 23,257.50 and 10,813.61 is: 14,914.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,862.80 : 23,257.50 = 10,813.61 : x
  2. Step 2: Convert to fraction form
    16,862.80/23,257.50 = 10,813.61/x
  3. Step 3: Cross multiply
    16,862.80x = 23,257.50 × 10,813.61
  4. Step 4: Simplify right side
    16,862.80x = 251,497,534.58
  5. Step 5: Solve for x
    x = 251,497,534.58/16,862.80
  6. Step 6: Final answer
    x = 14,914.34

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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.