Home / 19,281.96-28,933.83-8,893.71

Finding the Fourth Proportional to 19,281.96, 28,933.83 and 8,893.71

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Solution

The fourth proportional to 19,281.96, 28,933.83 and 8,893.71 is: 13,345.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281.96 : 28,933.83 = 8,893.71 : x
  2. Step 2: Convert to fraction form
    19,281.96/28,933.83 = 8,893.71/x
  3. Step 3: Cross multiply
    19,281.96x = 28,933.83 × 8,893.71
  4. Step 4: Simplify right side
    19,281.96x = 257,329,093.21
  5. Step 5: Solve for x
    x = 257,329,093.21/19,281.96
  6. Step 6: Final answer
    x = 13,345.59

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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.