Home / 14,040.08-21,067.08-7,800.08

Finding the Fourth Proportional to 14,040.08, 21,067.08 and 7,800.08

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Solution

The fourth proportional to 14,040.08, 21,067.08 and 7,800.08 is: 11,703.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.08 : 21,067.08 = 7,800.08 : x
  2. Step 2: Convert to fraction form
    14,040.08/21,067.08 = 7,800.08/x
  3. Step 3: Cross multiply
    14,040.08x = 21,067.08 × 7,800.08
  4. Step 4: Simplify right side
    14,040.08x = 164,324,909.37
  5. Step 5: Solve for x
    x = 164,324,909.37/14,040.08
  6. Step 6: Final answer
    x = 11,703.99

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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.