Home / 22,310.23-30,782.95-13,354.33

Finding the Fourth Proportional to 22,310.23, 30,782.95 and 13,354.33

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Solution

The fourth proportional to 22,310.23, 30,782.95 and 13,354.33 is: 18,425.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,310.23 : 30,782.95 = 13,354.33 : x
  2. Step 2: Convert to fraction form
    22,310.23/30,782.95 = 13,354.33/x
  3. Step 3: Cross multiply
    22,310.23x = 30,782.95 × 13,354.33
  4. Step 4: Simplify right side
    22,310.23x = 411,085,672.67
  5. Step 5: Solve for x
    x = 411,085,672.67/22,310.23
  6. Step 6: Final answer
    x = 18,425.88

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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.