Home / 28,514.54-39,351.56-17,187.63

Finding the Fourth Proportional to 28,514.54, 39,351.56 and 17,187.63

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Solution

The fourth proportional to 28,514.54, 39,351.56 and 17,187.63 is: 23,719.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514.54 : 39,351.56 = 17,187.63 : x
  2. Step 2: Convert to fraction form
    28,514.54/39,351.56 = 17,187.63/x
  3. Step 3: Cross multiply
    28,514.54x = 39,351.56 × 17,187.63
  4. Step 4: Simplify right side
    28,514.54x = 676,359,967.26
  5. Step 5: Solve for x
    x = 676,359,967.26/28,514.54
  6. Step 6: Final answer
    x = 23,719.83

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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.