Home / 19,173.25-28,762.31-5,322.25

Finding the Fourth Proportional to 19,173.25, 28,762.31 and 5,322.25

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Solution

The fourth proportional to 19,173.25, 28,762.31 and 5,322.25 is: 7,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,173.25 : 28,762.31 = 5,322.25 : x
  2. Step 2: Convert to fraction form
    19,173.25/28,762.31 = 5,322.25/x
  3. Step 3: Cross multiply
    19,173.25x = 28,762.31 × 5,322.25
  4. Step 4: Simplify right side
    19,173.25x = 153,080,204.40
  5. Step 5: Solve for x
    x = 153,080,204.40/19,173.25
  6. Step 6: Final answer
    x = 7,984.05

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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.