Home / 13,434.75-18,540.27-7,466.67

Finding the Fourth Proportional to 13,434.75, 18,540.27 and 7,466.67

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Solution

The fourth proportional to 13,434.75, 18,540.27 and 7,466.67 is: 10,304.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.75 : 18,540.27 = 7,466.67 : x
  2. Step 2: Convert to fraction form
    13,434.75/18,540.27 = 7,466.67/x
  3. Step 3: Cross multiply
    13,434.75x = 18,540.27 × 7,466.67
  4. Step 4: Simplify right side
    13,434.75x = 138,434,077.80
  5. Step 5: Solve for x
    x = 138,434,077.80/13,434.75
  6. Step 6: Final answer
    x = 10,304.18

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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.