Home / 13,741.18-18,962.80-7,453.56

Finding the Fourth Proportional to 13,741.18, 18,962.80 and 7,453.56

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Solution

The fourth proportional to 13,741.18, 18,962.80 and 7,453.56 is: 10,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.18 : 18,962.80 = 7,453.56 : x
  2. Step 2: Convert to fraction form
    13,741.18/18,962.80 = 7,453.56/x
  3. Step 3: Cross multiply
    13,741.18x = 18,962.80 × 7,453.56
  4. Step 4: Simplify right side
    13,741.18x = 141,340,367.57
  5. Step 5: Solve for x
    x = 141,340,367.57/13,741.18
  6. Step 6: Final answer
    x = 10,285.90

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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.