Home / 15,541.25-21,446.70-8,467.67

Finding the Fourth Proportional to 15,541.25, 21,446.70 and 8,467.67

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Solution

The fourth proportional to 15,541.25, 21,446.70 and 8,467.67 is: 11,685.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541.25 : 21,446.70 = 8,467.67 : x
  2. Step 2: Convert to fraction form
    15,541.25/21,446.70 = 8,467.67/x
  3. Step 3: Cross multiply
    15,541.25x = 21,446.70 × 8,467.67
  4. Step 4: Simplify right side
    15,541.25x = 181,603,470.96
  5. Step 5: Solve for x
    x = 181,603,470.96/15,541.25
  6. Step 6: Final answer
    x = 11,685.26

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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.