Home / 14,583.44-20,078.76-12,719.76

Finding the Fourth Proportional to 14,583.44, 20,078.76 and 12,719.76

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Solution

The fourth proportional to 14,583.44, 20,078.76 and 12,719.76 is: 17,512.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,583.44 : 20,078.76 = 12,719.76 : x
  2. Step 2: Convert to fraction form
    14,583.44/20,078.76 = 12,719.76/x
  3. Step 3: Cross multiply
    14,583.44x = 20,078.76 × 12,719.76
  4. Step 4: Simplify right side
    14,583.44x = 255,397,008.30
  5. Step 5: Solve for x
    x = 255,397,008.30/14,583.44
  6. Step 6: Final answer
    x = 17,512.81

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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.