Home / 18,973.01-28,457.07-5,824.28

Finding the Fourth Proportional to 18,973.01, 28,457.07 and 5,824.28

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Solution

The fourth proportional to 18,973.01, 28,457.07 and 5,824.28 is: 8,735.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,973.01 : 28,457.07 = 5,824.28 : x
  2. Step 2: Convert to fraction form
    18,973.01/28,457.07 = 5,824.28/x
  3. Step 3: Cross multiply
    18,973.01x = 28,457.07 × 5,824.28
  4. Step 4: Simplify right side
    18,973.01x = 165,741,801.37
  5. Step 5: Solve for x
    x = 165,741,801.37/18,973.01
  6. Step 6: Final answer
    x = 8,735.66

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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.