Home / 14,611.01-20,162.36-8,238.63

Finding the Fourth Proportional to 14,611.01, 20,162.36 and 8,238.63

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Solution

The fourth proportional to 14,611.01, 20,162.36 and 8,238.63 is: 11,368.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,611.01 : 20,162.36 = 8,238.63 : x
  2. Step 2: Convert to fraction form
    14,611.01/20,162.36 = 8,238.63/x
  3. Step 3: Cross multiply
    14,611.01x = 20,162.36 × 8,238.63
  4. Step 4: Simplify right side
    14,611.01x = 166,110,182.77
  5. Step 5: Solve for x
    x = 166,110,182.77/14,611.01
  6. Step 6: Final answer
    x = 11,368.84

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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.