Home / 19,188.30-26,479.83-10,804.86

Finding the Fourth Proportional to 19,188.30, 26,479.83 and 10,804.86

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Solution

The fourth proportional to 19,188.30, 26,479.83 and 10,804.86 is: 14,910.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.30 : 26,479.83 = 10,804.86 : x
  2. Step 2: Convert to fraction form
    19,188.30/26,479.83 = 10,804.86/x
  3. Step 3: Cross multiply
    19,188.30x = 26,479.83 × 10,804.86
  4. Step 4: Simplify right side
    19,188.30x = 286,110,855.97
  5. Step 5: Solve for x
    x = 286,110,855.97/19,188.30
  6. Step 6: Final answer
    x = 14,910.69

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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.