Home / 14,801.67-20,426.33-8,427.98

Finding the Fourth Proportional to 14,801.67, 20,426.33 and 8,427.98

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Solution

The fourth proportional to 14,801.67, 20,426.33 and 8,427.98 is: 11,630.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,801.67 : 20,426.33 = 8,427.98 : x
  2. Step 2: Convert to fraction form
    14,801.67/20,426.33 = 8,427.98/x
  3. Step 3: Cross multiply
    14,801.67x = 20,426.33 × 8,427.98
  4. Step 4: Simplify right side
    14,801.67x = 172,152,556.44
  5. Step 5: Solve for x
    x = 172,152,556.44/14,801.67
  6. Step 6: Final answer
    x = 11,630.62

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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.