Home / 18,568.58-25,620.50-11,011.07

Finding the Fourth Proportional to 18,568.58, 25,620.50 and 11,011.07

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Solution

The fourth proportional to 18,568.58, 25,620.50 and 11,011.07 is: 15,192.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568.58 : 25,620.50 = 11,011.07 : x
  2. Step 2: Convert to fraction form
    18,568.58/25,620.50 = 11,011.07/x
  3. Step 3: Cross multiply
    18,568.58x = 25,620.50 × 11,011.07
  4. Step 4: Simplify right side
    18,568.58x = 282,109,063.88
  5. Step 5: Solve for x
    x = 282,109,063.88/18,568.58
  6. Step 6: Final answer
    x = 15,192.82

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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.