Home / 18,756.16-25,873.73-11,200.07

Finding the Fourth Proportional to 18,756.16, 25,873.73 and 11,200.07

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Solution

The fourth proportional to 18,756.16, 25,873.73 and 11,200.07 is: 15,450.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756.16 : 25,873.73 = 11,200.07 : x
  2. Step 2: Convert to fraction form
    18,756.16/25,873.73 = 11,200.07/x
  3. Step 3: Cross multiply
    18,756.16x = 25,873.73 × 11,200.07
  4. Step 4: Simplify right side
    18,756.16x = 289,787,637.85
  5. Step 5: Solve for x
    x = 289,787,637.85/18,756.16
  6. Step 6: Final answer
    x = 15,450.27

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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.