Home / 19,104.81-26,391.23-18,170.64

Finding the Fourth Proportional to 19,104.81, 26,391.23 and 18,170.64

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Solution

The fourth proportional to 19,104.81, 26,391.23 and 18,170.64 is: 25,100.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,104.81 : 26,391.23 = 18,170.64 : x
  2. Step 2: Convert to fraction form
    19,104.81/26,391.23 = 18,170.64/x
  3. Step 3: Cross multiply
    19,104.81x = 26,391.23 × 18,170.64
  4. Step 4: Simplify right side
    19,104.81x = 479,545,448.63
  5. Step 5: Solve for x
    x = 479,545,448.63/19,104.81
  6. Step 6: Final answer
    x = 25,100.77

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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.