Home / 18,320.56-25,282.32-9,937

Finding the Fourth Proportional to 18,320.56, 25,282.32 and 9,937

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Solution

The fourth proportional to 18,320.56, 25,282.32 and 9,937 is: 13,713.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320.56 : 25,282.32 = 9,937 : x
  2. Step 2: Convert to fraction form
    18,320.56/25,282.32 = 9,937/x
  3. Step 3: Cross multiply
    18,320.56x = 25,282.32 × 9,937
  4. Step 4: Simplify right side
    18,320.56x = 251,230,413.84
  5. Step 5: Solve for x
    x = 251,230,413.84/18,320.56
  6. Step 6: Final answer
    x = 13,713.03

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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.