Home / 19,021.92-26,245.53-12,299.46

Finding the Fourth Proportional to 19,021.92, 26,245.53 and 12,299.46

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Solution

The fourth proportional to 19,021.92, 26,245.53 and 12,299.46 is: 16,970.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,021.92 : 26,245.53 = 12,299.46 : x
  2. Step 2: Convert to fraction form
    19,021.92/26,245.53 = 12,299.46/x
  3. Step 3: Cross multiply
    19,021.92x = 26,245.53 × 12,299.46
  4. Step 4: Simplify right side
    19,021.92x = 322,805,653.69
  5. Step 5: Solve for x
    x = 322,805,653.69/19,021.92
  6. Step 6: Final answer
    x = 16,970.19

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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.