Home / 19,740.36-29,616.48-7,266.36

Finding the Fourth Proportional to 19,740.36, 29,616.48 and 7,266.36

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Solution

The fourth proportional to 19,740.36, 29,616.48 and 7,266.36 is: 10,901.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740.36 : 29,616.48 = 7,266.36 : x
  2. Step 2: Convert to fraction form
    19,740.36/29,616.48 = 7,266.36/x
  3. Step 3: Cross multiply
    19,740.36x = 29,616.48 × 7,266.36
  4. Step 4: Simplify right side
    19,740.36x = 215,204,005.61
  5. Step 5: Solve for x
    x = 215,204,005.61/19,740.36
  6. Step 6: Final answer
    x = 10,901.73

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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.