Home / 14,099.23-19,456.95-7,811.61

Finding the Fourth Proportional to 14,099.23, 19,456.95 and 7,811.61

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Solution

The fourth proportional to 14,099.23, 19,456.95 and 7,811.61 is: 10,780.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.23 : 19,456.95 = 7,811.61 : x
  2. Step 2: Convert to fraction form
    14,099.23/19,456.95 = 7,811.61/x
  3. Step 3: Cross multiply
    14,099.23x = 19,456.95 × 7,811.61
  4. Step 4: Simplify right side
    14,099.23x = 151,990,105.19
  5. Step 5: Solve for x
    x = 151,990,105.19/14,099.23
  6. Step 6: Final answer
    x = 10,780.03

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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.