Home / 17,870.04-24,571.62-15,969.78

Finding the Fourth Proportional to 17,870.04, 24,571.62 and 15,969.78

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Solution

The fourth proportional to 17,870.04, 24,571.62 and 15,969.78 is: 21,958.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,870.04 : 24,571.62 = 15,969.78 : x
  2. Step 2: Convert to fraction form
    17,870.04/24,571.62 = 15,969.78/x
  3. Step 3: Cross multiply
    17,870.04x = 24,571.62 × 15,969.78
  4. Step 4: Simplify right side
    17,870.04x = 392,403,365.64
  5. Step 5: Solve for x
    x = 392,403,365.64/17,870.04
  6. Step 6: Final answer
    x = 21,958.73

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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.