Home / 15,090.71-22,636.34-5,230.31

Finding the Fourth Proportional to 15,090.71, 22,636.34 and 5,230.31

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Solution

The fourth proportional to 15,090.71, 22,636.34 and 5,230.31 is: 7,845.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090.71 : 22,636.34 = 5,230.31 : x
  2. Step 2: Convert to fraction form
    15,090.71/22,636.34 = 5,230.31/x
  3. Step 3: Cross multiply
    15,090.71x = 22,636.34 × 5,230.31
  4. Step 4: Simplify right side
    15,090.71x = 118,394,936.13
  5. Step 5: Solve for x
    x = 118,394,936.13/15,090.71
  6. Step 6: Final answer
    x = 7,845.55

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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.