Home / 17,975.40-24,798.74-11,928.49

Finding the Fourth Proportional to 17,975.40, 24,798.74 and 11,928.49

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Solution

The fourth proportional to 17,975.40, 24,798.74 and 11,928.49 is: 16,456.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,975.40 : 24,798.74 = 11,928.49 : x
  2. Step 2: Convert to fraction form
    17,975.40/24,798.74 = 11,928.49/x
  3. Step 3: Cross multiply
    17,975.40x = 24,798.74 × 11,928.49
  4. Step 4: Simplify right side
    17,975.40x = 295,811,338.47
  5. Step 5: Solve for x
    x = 295,811,338.47/17,975.40
  6. Step 6: Final answer
    x = 16,456.46

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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.