Home / 19,422.36-29,135.42-7,732.84

Finding the Fourth Proportional to 19,422.36, 29,135.42 and 7,732.84

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Solution

The fourth proportional to 19,422.36, 29,135.42 and 7,732.84 is: 11,600.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.36 : 29,135.42 = 7,732.84 : x
  2. Step 2: Convert to fraction form
    19,422.36/29,135.42 = 7,732.84/x
  3. Step 3: Cross multiply
    19,422.36x = 29,135.42 × 7,732.84
  4. Step 4: Simplify right side
    19,422.36x = 225,299,541.19
  5. Step 5: Solve for x
    x = 225,299,541.19/19,422.36
  6. Step 6: Final answer
    x = 11,600.01

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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.