Home / 14,112.41-19,475.15-7,739.04

Finding the Fourth Proportional to 14,112.41, 19,475.15 and 7,739.04

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Solution

The fourth proportional to 14,112.41, 19,475.15 and 7,739.04 is: 10,679.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.41 : 19,475.15 = 7,739.04 : x
  2. Step 2: Convert to fraction form
    14,112.41/19,475.15 = 7,739.04/x
  3. Step 3: Cross multiply
    14,112.41x = 19,475.15 × 7,739.04
  4. Step 4: Simplify right side
    14,112.41x = 150,719,043.17
  5. Step 5: Solve for x
    x = 150,719,043.17/14,112.41
  6. Step 6: Final answer
    x = 10,679.90

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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.