Home / 13,241.28-18,273.36-7,273.32

Finding the Fourth Proportional to 13,241.28, 18,273.36 and 7,273.32

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Solution

The fourth proportional to 13,241.28, 18,273.36 and 7,273.32 is: 10,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.28 : 18,273.36 = 7,273.32 : x
  2. Step 2: Convert to fraction form
    13,241.28/18,273.36 = 7,273.32/x
  3. Step 3: Cross multiply
    13,241.28x = 18,273.36 × 7,273.32
  4. Step 4: Simplify right side
    13,241.28x = 132,907,994.76
  5. Step 5: Solve for x
    x = 132,907,994.76/13,241.28
  6. Step 6: Final answer
    x = 10,037.40

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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.