Home / 18,922.24-26,118.35-10,968.04

Finding the Fourth Proportional to 18,922.24, 26,118.35 and 10,968.04

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Solution

The fourth proportional to 18,922.24, 26,118.35 and 10,968.04 is: 15,139.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,922.24 : 26,118.35 = 10,968.04 : x
  2. Step 2: Convert to fraction form
    18,922.24/26,118.35 = 10,968.04/x
  3. Step 3: Cross multiply
    18,922.24x = 26,118.35 × 10,968.04
  4. Step 4: Simplify right side
    18,922.24x = 286,467,107.53
  5. Step 5: Solve for x
    x = 286,467,107.53/18,922.24
  6. Step 6: Final answer
    x = 15,139.18

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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.