Home / 18,664.88-25,806.33-17,838.68

Finding the Fourth Proportional to 18,664.88, 25,806.33 and 17,838.68

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Solution

The fourth proportional to 18,664.88, 25,806.33 and 17,838.68 is: 24,664.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.88 : 25,806.33 = 17,838.68 : x
  2. Step 2: Convert to fraction form
    18,664.88/25,806.33 = 17,838.68/x
  3. Step 3: Cross multiply
    18,664.88x = 25,806.33 × 17,838.68
  4. Step 4: Simplify right side
    18,664.88x = 460,350,862.84
  5. Step 5: Solve for x
    x = 460,350,862.84/18,664.88
  6. Step 6: Final answer
    x = 24,664.01

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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.