Home / 14,272.15-21,406.60-5,506.33

Finding the Fourth Proportional to 14,272.15, 21,406.60 and 5,506.33

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Solution

The fourth proportional to 14,272.15, 21,406.60 and 5,506.33 is: 8,258.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.15 : 21,406.60 = 5,506.33 : x
  2. Step 2: Convert to fraction form
    14,272.15/21,406.60 = 5,506.33/x
  3. Step 3: Cross multiply
    14,272.15x = 21,406.60 × 5,506.33
  4. Step 4: Simplify right side
    14,272.15x = 117,871,803.78
  5. Step 5: Solve for x
    x = 117,871,803.78/14,272.15
  6. Step 6: Final answer
    x = 8,258.87

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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.