Home / 14,458.05-19,955.45-9,413.49

Finding the Fourth Proportional to 14,458.05, 19,955.45 and 9,413.49

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Solution

The fourth proportional to 14,458.05, 19,955.45 and 9,413.49 is: 12,992.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,458.05 : 19,955.45 = 9,413.49 : x
  2. Step 2: Convert to fraction form
    14,458.05/19,955.45 = 9,413.49/x
  3. Step 3: Cross multiply
    14,458.05x = 19,955.45 × 9,413.49
  4. Step 4: Simplify right side
    14,458.05x = 187,850,381.95
  5. Step 5: Solve for x
    x = 187,850,381.95/14,458.05
  6. Step 6: Final answer
    x = 12,992.79

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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.