Home / 19,091.12-28,610.76-9,863.60

Finding the Fourth Proportional to 19,091.12, 28,610.76 and 9,863.60

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Solution

The fourth proportional to 19,091.12, 28,610.76 and 9,863.60 is: 14,782.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,091.12 : 28,610.76 = 9,863.60 : x
  2. Step 2: Convert to fraction form
    19,091.12/28,610.76 = 9,863.60/x
  3. Step 3: Cross multiply
    19,091.12x = 28,610.76 × 9,863.60
  4. Step 4: Simplify right side
    19,091.12x = 282,205,092.34
  5. Step 5: Solve for x
    x = 282,205,092.34/19,091.12
  6. Step 6: Final answer
    x = 14,782.01

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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.