Home / 22,674.25-31,290.60-13,240.99

Finding the Fourth Proportional to 22,674.25, 31,290.60 and 13,240.99

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Solution

The fourth proportional to 22,674.25, 31,290.60 and 13,240.99 is: 18,272.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,674.25 : 31,290.60 = 13,240.99 : x
  2. Step 2: Convert to fraction form
    22,674.25/31,290.60 = 13,240.99/x
  3. Step 3: Cross multiply
    22,674.25x = 31,290.60 × 13,240.99
  4. Step 4: Simplify right side
    22,674.25x = 414,318,521.69
  5. Step 5: Solve for x
    x = 414,318,521.69/22,674.25
  6. Step 6: Final answer
    x = 18,272.65

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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.