Home / 14,438.40-19,906.47-11,841.77

Finding the Fourth Proportional to 14,438.40, 19,906.47 and 11,841.77

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Solution

The fourth proportional to 14,438.40, 19,906.47 and 11,841.77 is: 16,326.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,438.40 : 19,906.47 = 11,841.77 : x
  2. Step 2: Convert to fraction form
    14,438.40/19,906.47 = 11,841.77/x
  3. Step 3: Cross multiply
    14,438.40x = 19,906.47 × 11,841.77
  4. Step 4: Simplify right side
    14,438.40x = 235,727,739.72
  5. Step 5: Solve for x
    x = 235,727,739.72/14,438.40
  6. Step 6: Final answer
    x = 16,326.44

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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.