Home / 28,449.93-39,274.56-16,511.34

Finding the Fourth Proportional to 28,449.93, 39,274.56 and 16,511.34

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Solution

The fourth proportional to 28,449.93, 39,274.56 and 16,511.34 is: 22,793.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,449.93 : 39,274.56 = 16,511.34 : x
  2. Step 2: Convert to fraction form
    28,449.93/39,274.56 = 16,511.34/x
  3. Step 3: Cross multiply
    28,449.93x = 39,274.56 × 16,511.34
  4. Step 4: Simplify right side
    28,449.93x = 648,475,613.51
  5. Step 5: Solve for x
    x = 648,475,613.51/28,449.93
  6. Step 6: Final answer
    x = 22,793.58

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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.