Home / 19,318.89-26,658.72-10,819.56

Finding the Fourth Proportional to 19,318.89, 26,658.72 and 10,819.56

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Solution

The fourth proportional to 19,318.89, 26,658.72 and 10,819.56 is: 14,930.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.89 : 26,658.72 = 10,819.56 : x
  2. Step 2: Convert to fraction form
    19,318.89/26,658.72 = 10,819.56/x
  3. Step 3: Cross multiply
    19,318.89x = 26,658.72 × 10,819.56
  4. Step 4: Simplify right side
    19,318.89x = 288,435,620.56
  5. Step 5: Solve for x
    x = 288,435,620.56/19,318.89
  6. Step 6: Final answer
    x = 14,930.24

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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.