Home / 22,270.79-33,405.01-7,480.01

Finding the Fourth Proportional to 22,270.79, 33,405.01 and 7,480.01

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Solution

The fourth proportional to 22,270.79, 33,405.01 and 7,480.01 is: 11,219.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,270.79 : 33,405.01 = 7,480.01 : x
  2. Step 2: Convert to fraction form
    22,270.79/33,405.01 = 7,480.01/x
  3. Step 3: Cross multiply
    22,270.79x = 33,405.01 × 7,480.01
  4. Step 4: Simplify right side
    22,270.79x = 249,869,808.85
  5. Step 5: Solve for x
    x = 249,869,808.85/22,270.79
  6. Step 6: Final answer
    x = 11,219.62

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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.