Home / 13,067.19-18,032.69-7,099.00

Finding the Fourth Proportional to 13,067.19, 18,032.69 and 7,099.00

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Solution

The fourth proportional to 13,067.19, 18,032.69 and 7,099.00 is: 9,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.19 : 18,032.69 = 7,099.00 : x
  2. Step 2: Convert to fraction form
    13,067.19/18,032.69 = 7,099.00/x
  3. Step 3: Cross multiply
    13,067.19x = 18,032.69 × 7,099.00
  4. Step 4: Simplify right side
    13,067.19x = 128,014,038.98
  5. Step 5: Solve for x
    x = 128,014,038.98/13,067.19
  6. Step 6: Final answer
    x = 9,796.60

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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.