Home / 31,554.69-43,523.79-18,798.05

Finding the Fourth Proportional to 31,554.69, 43,523.79 and 18,798.05

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Solution

The fourth proportional to 31,554.69, 43,523.79 and 18,798.05 is: 25,928.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,554.69 : 43,523.79 = 18,798.05 : x
  2. Step 2: Convert to fraction form
    31,554.69/43,523.79 = 18,798.05/x
  3. Step 3: Cross multiply
    31,554.69x = 43,523.79 × 18,798.05
  4. Step 4: Simplify right side
    31,554.69x = 818,162,162.99
  5. Step 5: Solve for x
    x = 818,162,162.99/31,554.69
  6. Step 6: Final answer
    x = 25,928.39

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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.