Home / 14,955.44-20,639.41-8,241.05

Finding the Fourth Proportional to 14,955.44, 20,639.41 and 8,241.05

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Solution

The fourth proportional to 14,955.44, 20,639.41 and 8,241.05 is: 11,373.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,955.44 : 20,639.41 = 8,241.05 : x
  2. Step 2: Convert to fraction form
    14,955.44/20,639.41 = 8,241.05/x
  3. Step 3: Cross multiply
    14,955.44x = 20,639.41 × 8,241.05
  4. Step 4: Simplify right side
    14,955.44x = 170,090,368.58
  5. Step 5: Solve for x
    x = 170,090,368.58/14,955.44
  6. Step 6: Final answer
    x = 11,373.15

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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.