Home / 13,043.12-19,511.16-10,854.80

Finding the Fourth Proportional to 13,043.12, 19,511.16 and 10,854.80

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Solution

The fourth proportional to 13,043.12, 19,511.16 and 10,854.80 is: 16,237.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.12 : 19,511.16 = 10,854.80 : x
  2. Step 2: Convert to fraction form
    13,043.12/19,511.16 = 10,854.80/x
  3. Step 3: Cross multiply
    13,043.12x = 19,511.16 × 10,854.80
  4. Step 4: Simplify right side
    13,043.12x = 211,789,739.57
  5. Step 5: Solve for x
    x = 211,789,739.57/13,043.12
  6. Step 6: Final answer
    x = 16,237.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.