Home / 13,735.04-18,954.35-7,447.41

Finding the Fourth Proportional to 13,735.04, 18,954.35 and 7,447.41

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Solution

The fourth proportional to 13,735.04, 18,954.35 and 7,447.41 is: 10,277.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,735.04 : 18,954.35 = 7,447.41 : x
  2. Step 2: Convert to fraction form
    13,735.04/18,954.35 = 7,447.41/x
  3. Step 3: Cross multiply
    13,735.04x = 18,954.35 × 7,447.41
  4. Step 4: Simplify right side
    13,735.04x = 141,160,778.50
  5. Step 5: Solve for x
    x = 141,160,778.50/13,735.04
  6. Step 6: Final answer
    x = 10,277.42

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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.