Home / 12,319.44-18,435.40-9,024.36

Finding the Fourth Proportional to 12,319.44, 18,435.40 and 9,024.36

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Solution

The fourth proportional to 12,319.44, 18,435.40 and 9,024.36 is: 13,504.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319.44 : 18,435.40 = 9,024.36 : x
  2. Step 2: Convert to fraction form
    12,319.44/18,435.40 = 9,024.36/x
  3. Step 3: Cross multiply
    12,319.44x = 18,435.40 × 9,024.36
  4. Step 4: Simplify right side
    12,319.44x = 166,367,698.35
  5. Step 5: Solve for x
    x = 166,367,698.35/12,319.44
  6. Step 6: Final answer
    x = 13,504.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.