Home / 18,628.42-25,705.07-10,670.17

Finding the Fourth Proportional to 18,628.42, 25,705.07 and 10,670.17

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Solution

The fourth proportional to 18,628.42, 25,705.07 and 10,670.17 is: 14,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.42 : 25,705.07 = 10,670.17 : x
  2. Step 2: Convert to fraction form
    18,628.42/25,705.07 = 10,670.17/x
  3. Step 3: Cross multiply
    18,628.42x = 25,705.07 × 10,670.17
  4. Step 4: Simplify right side
    18,628.42x = 274,277,413.41
  5. Step 5: Solve for x
    x = 274,277,413.41/18,628.42
  6. Step 6: Final answer
    x = 14,723.60

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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.