Home / 11,448.34-17,018.13-11,112.02

Finding the Fourth Proportional to 11,448.34, 17,018.13 and 11,112.02

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Solution

The fourth proportional to 11,448.34, 17,018.13 and 11,112.02 is: 16,518.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,448.34 : 17,018.13 = 11,112.02 : x
  2. Step 2: Convert to fraction form
    11,448.34/17,018.13 = 11,112.02/x
  3. Step 3: Cross multiply
    11,448.34x = 17,018.13 × 11,112.02
  4. Step 4: Simplify right side
    11,448.34x = 189,105,800.92
  5. Step 5: Solve for x
    x = 189,105,800.92/11,448.34
  6. Step 6: Final answer
    x = 16,518.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.