Home / 14,719.04-20,311.26-8,751.20

Finding the Fourth Proportional to 14,719.04, 20,311.26 and 8,751.20

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Solution

The fourth proportional to 14,719.04, 20,311.26 and 8,751.20 is: 12,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,719.04 : 20,311.26 = 8,751.20 : x
  2. Step 2: Convert to fraction form
    14,719.04/20,311.26 = 8,751.20/x
  3. Step 3: Cross multiply
    14,719.04x = 20,311.26 × 8,751.20
  4. Step 4: Simplify right side
    14,719.04x = 177,747,898.51
  5. Step 5: Solve for x
    x = 177,747,898.51/14,719.04
  6. Step 6: Final answer
    x = 12,076.05

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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.