Home / 28,795.74-43,213.77-13,223.58

Finding the Fourth Proportional to 28,795.74, 43,213.77 and 13,223.58

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Solution

The fourth proportional to 28,795.74, 43,213.77 and 13,223.58 is: 19,844.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,795.74 : 43,213.77 = 13,223.58 : x
  2. Step 2: Convert to fraction form
    28,795.74/43,213.77 = 13,223.58/x
  3. Step 3: Cross multiply
    28,795.74x = 43,213.77 × 13,223.58
  4. Step 4: Simplify right side
    28,795.74x = 571,440,744.70
  5. Step 5: Solve for x
    x = 571,440,744.70/28,795.74
  6. Step 6: Final answer
    x = 19,844.63

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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.