Home / 13,466.70-18,584.55-7,499.03

Finding the Fourth Proportional to 13,466.70, 18,584.55 and 7,499.03

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Solution

The fourth proportional to 13,466.70, 18,584.55 and 7,499.03 is: 10,348.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466.70 : 18,584.55 = 7,499.03 : x
  2. Step 2: Convert to fraction form
    13,466.70/18,584.55 = 7,499.03/x
  3. Step 3: Cross multiply
    13,466.70x = 18,584.55 × 7,499.03
  4. Step 4: Simplify right side
    13,466.70x = 139,366,005.06
  5. Step 5: Solve for x
    x = 139,366,005.06/13,466.70
  6. Step 6: Final answer
    x = 10,348.94

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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.