Home / 22,271.29-33,405.76-7,480.51

Finding the Fourth Proportional to 22,271.29, 33,405.76 and 7,480.51

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Solution

The fourth proportional to 22,271.29, 33,405.76 and 7,480.51 is: 11,220.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,271.29 : 33,405.76 = 7,480.51 : x
  2. Step 2: Convert to fraction form
    22,271.29/33,405.76 = 7,480.51/x
  3. Step 3: Cross multiply
    22,271.29x = 33,405.76 × 7,480.51
  4. Step 4: Simplify right side
    22,271.29x = 249,892,121.74
  5. Step 5: Solve for x
    x = 249,892,121.74/22,271.29
  6. Step 6: Final answer
    x = 11,220.37

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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.