Home / 13,770.68-19,003.66-7,483.06

Finding the Fourth Proportional to 13,770.68, 19,003.66 and 7,483.06

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Solution

The fourth proportional to 13,770.68, 19,003.66 and 7,483.06 is: 10,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770.68 : 19,003.66 = 7,483.06 : x
  2. Step 2: Convert to fraction form
    13,770.68/19,003.66 = 7,483.06/x
  3. Step 3: Cross multiply
    13,770.68x = 19,003.66 × 7,483.06
  4. Step 4: Simplify right side
    13,770.68x = 142,205,528.00
  5. Step 5: Solve for x
    x = 142,205,528.00/13,770.68
  6. Step 6: Final answer
    x = 10,326.69

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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.