Home / 28,473.26-42,694.80-14,239.52

Finding the Fourth Proportional to 28,473.26, 42,694.80 and 14,239.52

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Solution

The fourth proportional to 28,473.26, 42,694.80 and 14,239.52 is: 21,351.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,473.26 : 42,694.80 = 14,239.52 : x
  2. Step 2: Convert to fraction form
    28,473.26/42,694.80 = 14,239.52/x
  3. Step 3: Cross multiply
    28,473.26x = 42,694.80 × 14,239.52
  4. Step 4: Simplify right side
    28,473.26x = 607,953,458.50
  5. Step 5: Solve for x
    x = 607,953,458.50/28,473.26
  6. Step 6: Final answer
    x = 21,351.73

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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.