Home / 18,941.28-26,136.18-10,982.04

Finding the Fourth Proportional to 18,941.28, 26,136.18 and 10,982.04

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Solution

The fourth proportional to 18,941.28, 26,136.18 and 10,982.04 is: 15,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.28 : 26,136.18 = 10,982.04 : x
  2. Step 2: Convert to fraction form
    18,941.28/26,136.18 = 10,982.04/x
  3. Step 3: Cross multiply
    18,941.28x = 26,136.18 × 10,982.04
  4. Step 4: Simplify right side
    18,941.28x = 287,028,574.21
  5. Step 5: Solve for x
    x = 287,028,574.21/18,941.28
  6. Step 6: Final answer
    x = 15,153.60

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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.