Home / 16,813.40-23,205.26-12,826.98

Finding the Fourth Proportional to 16,813.40, 23,205.26 and 12,826.98

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Solution

The fourth proportional to 16,813.40, 23,205.26 and 12,826.98 is: 17,703.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.40 : 23,205.26 = 12,826.98 : x
  2. Step 2: Convert to fraction form
    16,813.40/23,205.26 = 12,826.98/x
  3. Step 3: Cross multiply
    16,813.40x = 23,205.26 × 12,826.98
  4. Step 4: Simplify right side
    16,813.40x = 297,653,496.00
  5. Step 5: Solve for x
    x = 297,653,496.00/16,813.40
  6. Step 6: Final answer
    x = 17,703.35

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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.