Home / 13,943.45-20,922.35-9,266.67

Finding the Fourth Proportional to 13,943.45, 20,922.35 and 9,266.67

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Solution

The fourth proportional to 13,943.45, 20,922.35 and 9,266.67 is: 13,904.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.45 : 20,922.35 = 9,266.67 : x
  2. Step 2: Convert to fraction form
    13,943.45/20,922.35 = 9,266.67/x
  3. Step 3: Cross multiply
    13,943.45x = 20,922.35 × 9,266.67
  4. Step 4: Simplify right side
    13,943.45x = 193,880,466.74
  5. Step 5: Solve for x
    x = 193,880,466.74/13,943.45
  6. Step 6: Final answer
    x = 13,904.77

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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.