Home / 27,934.48-38,556.84-18,499.60

Finding the Fourth Proportional to 27,934.48, 38,556.84 and 18,499.60

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Solution

The fourth proportional to 27,934.48, 38,556.84 and 18,499.60 is: 25,534.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,934.48 : 38,556.84 = 18,499.60 : x
  2. Step 2: Convert to fraction form
    27,934.48/38,556.84 = 18,499.60/x
  3. Step 3: Cross multiply
    27,934.48x = 38,556.84 × 18,499.60
  4. Step 4: Simplify right side
    27,934.48x = 713,286,117.26
  5. Step 5: Solve for x
    x = 713,286,117.26/27,934.48
  6. Step 6: Final answer
    x = 25,534.25

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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.