Home / 14,743.08-20,344.77-8,775.41

Finding the Fourth Proportional to 14,743.08, 20,344.77 and 8,775.41

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Solution

The fourth proportional to 14,743.08, 20,344.77 and 8,775.41 is: 12,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.08 : 20,344.77 = 8,775.41 : x
  2. Step 2: Convert to fraction form
    14,743.08/20,344.77 = 8,775.41/x
  3. Step 3: Cross multiply
    14,743.08x = 20,344.77 × 8,775.41
  4. Step 4: Simplify right side
    14,743.08x = 178,533,596.38
  5. Step 5: Solve for x
    x = 178,533,596.38/14,743.08
  6. Step 6: Final answer
    x = 12,109.65

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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.