Home / 15,351.90-23,015.37-5,987.07

Finding the Fourth Proportional to 15,351.90, 23,015.37 and 5,987.07

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Solution

The fourth proportional to 15,351.90, 23,015.37 and 5,987.07 is: 8,975.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,351.90 : 23,015.37 = 5,987.07 : x
  2. Step 2: Convert to fraction form
    15,351.90/23,015.37 = 5,987.07/x
  3. Step 3: Cross multiply
    15,351.90x = 23,015.37 × 5,987.07
  4. Step 4: Simplify right side
    15,351.90x = 137,794,631.27
  5. Step 5: Solve for x
    x = 137,794,631.27/15,351.90
  6. Step 6: Final answer
    x = 8,975.74

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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.