Home / 16,147.15-22,270.68-11,685.67

Finding the Fourth Proportional to 16,147.15, 22,270.68 and 11,685.67

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Solution

The fourth proportional to 16,147.15, 22,270.68 and 11,685.67 is: 16,117.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,147.15 : 22,270.68 = 11,685.67 : x
  2. Step 2: Convert to fraction form
    16,147.15/22,270.68 = 11,685.67/x
  3. Step 3: Cross multiply
    16,147.15x = 22,270.68 × 11,685.67
  4. Step 4: Simplify right side
    16,147.15x = 260,247,761.48
  5. Step 5: Solve for x
    x = 260,247,761.48/16,147.15
  6. Step 6: Final answer
    x = 16,117.26

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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.