Home / 20,061.09-27,683.93-11,108.67

Finding the Fourth Proportional to 20,061.09, 27,683.93 and 11,108.67

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Solution

The fourth proportional to 20,061.09, 27,683.93 and 11,108.67 is: 15,329.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,061.09 : 27,683.93 = 11,108.67 : x
  2. Step 2: Convert to fraction form
    20,061.09/27,683.93 = 11,108.67/x
  3. Step 3: Cross multiply
    20,061.09x = 27,683.93 × 11,108.67
  4. Step 4: Simplify right side
    20,061.09x = 307,531,582.00
  5. Step 5: Solve for x
    x = 307,531,582.00/20,061.09
  6. Step 6: Final answer
    x = 15,329.75

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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.