Home / 17,130.85-23,633.64-11,391.05

Finding the Fourth Proportional to 17,130.85, 23,633.64 and 11,391.05

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Solution

The fourth proportional to 17,130.85, 23,633.64 and 11,391.05 is: 15,715.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,130.85 : 23,633.64 = 11,391.05 : x
  2. Step 2: Convert to fraction form
    17,130.85/23,633.64 = 11,391.05/x
  3. Step 3: Cross multiply
    17,130.85x = 23,633.64 × 11,391.05
  4. Step 4: Simplify right side
    17,130.85x = 269,212,034.01
  5. Step 5: Solve for x
    x = 269,212,034.01/17,130.85
  6. Step 6: Final answer
    x = 15,715.04

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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.