Home / 18,582.93-25,640.38-11,031.75

Finding the Fourth Proportional to 18,582.93, 25,640.38 and 11,031.75

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Solution

The fourth proportional to 18,582.93, 25,640.38 and 11,031.75 is: 15,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.93 : 25,640.38 = 11,031.75 : x
  2. Step 2: Convert to fraction form
    18,582.93/25,640.38 = 11,031.75/x
  3. Step 3: Cross multiply
    18,582.93x = 25,640.38 × 11,031.75
  4. Step 4: Simplify right side
    18,582.93x = 282,858,262.07
  5. Step 5: Solve for x
    x = 282,858,262.07/18,582.93
  6. Step 6: Final answer
    x = 15,221.40

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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.