Home / 13,770.54-19,003.55-7,482.92

Finding the Fourth Proportional to 13,770.54, 19,003.55 and 7,482.92

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Solution

The fourth proportional to 13,770.54, 19,003.55 and 7,482.92 is: 10,326.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770.54 : 19,003.55 = 7,482.92 : x
  2. Step 2: Convert to fraction form
    13,770.54/19,003.55 = 7,482.92/x
  3. Step 3: Cross multiply
    13,770.54x = 19,003.55 × 7,482.92
  4. Step 4: Simplify right side
    13,770.54x = 142,201,911.93
  5. Step 5: Solve for x
    x = 142,201,911.93/13,770.54
  6. Step 6: Final answer
    x = 10,326.53

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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.