Home / 19,406.07-29,122.77-7,722.02

Finding the Fourth Proportional to 19,406.07, 29,122.77 and 7,722.02

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Solution

The fourth proportional to 19,406.07, 29,122.77 and 7,722.02 is: 11,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,406.07 : 29,122.77 = 7,722.02 : x
  2. Step 2: Convert to fraction form
    19,406.07/29,122.77 = 7,722.02/x
  3. Step 3: Cross multiply
    19,406.07x = 29,122.77 × 7,722.02
  4. Step 4: Simplify right side
    19,406.07x = 224,886,466.78
  5. Step 5: Solve for x
    x = 224,886,466.78/19,406.07
  6. Step 6: Final answer
    x = 11,588.46

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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.