Home / 13,895.41-20,845.28-4,659.25

Finding the Fourth Proportional to 13,895.41, 20,845.28 and 4,659.25

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Solution

The fourth proportional to 13,895.41, 20,845.28 and 4,659.25 is: 6,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.41 : 20,845.28 = 4,659.25 : x
  2. Step 2: Convert to fraction form
    13,895.41/20,845.28 = 4,659.25/x
  3. Step 3: Cross multiply
    13,895.41x = 20,845.28 × 4,659.25
  4. Step 4: Simplify right side
    13,895.41x = 97,123,370.84
  5. Step 5: Solve for x
    x = 97,123,370.84/13,895.41
  6. Step 6: Final answer
    x = 6,989.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.