Home / 14,545.22-21,811.64-5,187.60

Finding the Fourth Proportional to 14,545.22, 21,811.64 and 5,187.60

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Solution

The fourth proportional to 14,545.22, 21,811.64 and 5,187.60 is: 7,779.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,545.22 : 21,811.64 = 5,187.60 : x
  2. Step 2: Convert to fraction form
    14,545.22/21,811.64 = 5,187.60/x
  3. Step 3: Cross multiply
    14,545.22x = 21,811.64 × 5,187.60
  4. Step 4: Simplify right side
    14,545.22x = 113,150,037.73
  5. Step 5: Solve for x
    x = 113,150,037.73/14,545.22
  6. Step 6: Final answer
    x = 7,779.19

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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.