Home / 22,378.90-33,566.58-13,012.94

Finding the Fourth Proportional to 22,378.90, 33,566.58 and 13,012.94

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Solution

The fourth proportional to 22,378.90, 33,566.58 and 13,012.94 is: 19,518.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,378.90 : 33,566.58 = 13,012.94 : x
  2. Step 2: Convert to fraction form
    22,378.90/33,566.58 = 13,012.94/x
  3. Step 3: Cross multiply
    22,378.90x = 33,566.58 × 13,012.94
  4. Step 4: Simplify right side
    22,378.90x = 436,799,891.55
  5. Step 5: Solve for x
    x = 436,799,891.55/22,378.90
  6. Step 6: Final answer
    x = 19,518.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.