Home / 14,030.43-21,074.80-11,129.01

Finding the Fourth Proportional to 14,030.43, 21,074.80 and 11,129.01

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Solution

The fourth proportional to 14,030.43, 21,074.80 and 11,129.01 is: 16,716.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,030.43 : 21,074.80 = 11,129.01 : x
  2. Step 2: Convert to fraction form
    14,030.43/21,074.80 = 11,129.01/x
  3. Step 3: Cross multiply
    14,030.43x = 21,074.80 × 11,129.01
  4. Step 4: Simplify right side
    14,030.43x = 234,541,659.95
  5. Step 5: Solve for x
    x = 234,541,659.95/14,030.43
  6. Step 6: Final answer
    x = 16,716.64

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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.