Home / 19,256.67-28,898.78-8,166.42

Finding the Fourth Proportional to 19,256.67, 28,898.78 and 8,166.42

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Solution

The fourth proportional to 19,256.67, 28,898.78 and 8,166.42 is: 12,255.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,256.67 : 28,898.78 = 8,166.42 : x
  2. Step 2: Convert to fraction form
    19,256.67/28,898.78 = 8,166.42/x
  3. Step 3: Cross multiply
    19,256.67x = 28,898.78 × 8,166.42
  4. Step 4: Simplify right side
    19,256.67x = 235,999,534.14
  5. Step 5: Solve for x
    x = 235,999,534.14/19,256.67
  6. Step 6: Final answer
    x = 12,255.47

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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.