Home / 11,518.01-17,158.14-11,169.54

Finding the Fourth Proportional to 11,518.01, 17,158.14 and 11,169.54

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Solution

The fourth proportional to 11,518.01, 17,158.14 and 11,169.54 is: 16,639.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.01 : 17,158.14 = 11,169.54 : x
  2. Step 2: Convert to fraction form
    11,518.01/17,158.14 = 11,169.54/x
  3. Step 3: Cross multiply
    11,518.01x = 17,158.14 × 11,169.54
  4. Step 4: Simplify right side
    11,518.01x = 191,648,531.06
  5. Step 5: Solve for x
    x = 191,648,531.06/11,518.01
  6. Step 6: Final answer
    x = 16,639.03

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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.