Home / 22,287.71-33,399.56-13,406.67

Finding the Fourth Proportional to 22,287.71, 33,399.56 and 13,406.67

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Solution

The fourth proportional to 22,287.71, 33,399.56 and 13,406.67 is: 20,090.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,287.71 : 33,399.56 = 13,406.67 : x
  2. Step 2: Convert to fraction form
    22,287.71/33,399.56 = 13,406.67/x
  3. Step 3: Cross multiply
    22,287.71x = 33,399.56 × 13,406.67
  4. Step 4: Simplify right side
    22,287.71x = 447,776,812.03
  5. Step 5: Solve for x
    x = 447,776,812.03/22,287.71
  6. Step 6: Final answer
    x = 20,090.75

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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.