Home / 20,060.51-27,683.93-10,986.26

Finding the Fourth Proportional to 20,060.51, 27,683.93 and 10,986.26

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Solution

The fourth proportional to 20,060.51, 27,683.93 and 10,986.26 is: 15,161.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,060.51 : 27,683.93 = 10,986.26 : x
  2. Step 2: Convert to fraction form
    20,060.51/27,683.93 = 10,986.26/x
  3. Step 3: Cross multiply
    20,060.51x = 27,683.93 × 10,986.26
  4. Step 4: Simplify right side
    20,060.51x = 304,142,741.85
  5. Step 5: Solve for x
    x = 304,142,741.85/20,060.51
  6. Step 6: Final answer
    x = 15,161.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.