Home / 14,871.05-20,523.36-8,157.98

Finding the Fourth Proportional to 14,871.05, 20,523.36 and 8,157.98

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Solution

The fourth proportional to 14,871.05, 20,523.36 and 8,157.98 is: 11,258.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,871.05 : 20,523.36 = 8,157.98 : x
  2. Step 2: Convert to fraction form
    14,871.05/20,523.36 = 8,157.98/x
  3. Step 3: Cross multiply
    14,871.05x = 20,523.36 × 8,157.98
  4. Step 4: Simplify right side
    14,871.05x = 167,429,057.80
  5. Step 5: Solve for x
    x = 167,429,057.80/14,871.05
  6. Step 6: Final answer
    x = 11,258.73

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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.