Home / 31,674.99-43,710.93-18,246.18

Finding the Fourth Proportional to 31,674.99, 43,710.93 and 18,246.18

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Solution

The fourth proportional to 31,674.99, 43,710.93 and 18,246.18 is: 25,179.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,674.99 : 43,710.93 = 18,246.18 : x
  2. Step 2: Convert to fraction form
    31,674.99/43,710.93 = 18,246.18/x
  3. Step 3: Cross multiply
    31,674.99x = 43,710.93 × 18,246.18
  4. Step 4: Simplify right side
    31,674.99x = 797,557,496.75
  5. Step 5: Solve for x
    x = 797,557,496.75/31,674.99
  6. Step 6: Final answer
    x = 25,179.41

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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.