Home / 14,955.32-20,638.36-8,241.23

Finding the Fourth Proportional to 14,955.32, 20,638.36 and 8,241.23

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Solution

The fourth proportional to 14,955.32, 20,638.36 and 8,241.23 is: 11,372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,955.32 : 20,638.36 = 8,241.23 : x
  2. Step 2: Convert to fraction form
    14,955.32/20,638.36 = 8,241.23/x
  3. Step 3: Cross multiply
    14,955.32x = 20,638.36 × 8,241.23
  4. Step 4: Simplify right side
    14,955.32x = 170,085,471.58
  5. Step 5: Solve for x
    x = 170,085,471.58/14,955.32
  6. Step 6: Final answer
    x = 11,372.91

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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.