Home / 19,289.44-28,896.76-12,695.77

Finding the Fourth Proportional to 19,289.44, 28,896.76 and 12,695.77

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Solution

The fourth proportional to 19,289.44, 28,896.76 and 12,695.77 is: 19,019.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.44 : 28,896.76 = 12,695.77 : x
  2. Step 2: Convert to fraction form
    19,289.44/28,896.76 = 12,695.77/x
  3. Step 3: Cross multiply
    19,289.44x = 28,896.76 × 12,695.77
  4. Step 4: Simplify right side
    19,289.44x = 366,866,618.71
  5. Step 5: Solve for x
    x = 366,866,618.71/19,289.44
  6. Step 6: Final answer
    x = 19,019.04

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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.