Home / 18,626.75-25,703.35-10,968.81

Finding the Fourth Proportional to 18,626.75, 25,703.35 and 10,968.81

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Solution

The fourth proportional to 18,626.75, 25,703.35 and 10,968.81 is: 15,136.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,626.75 : 25,703.35 = 10,968.81 : x
  2. Step 2: Convert to fraction form
    18,626.75/25,703.35 = 10,968.81/x
  3. Step 3: Cross multiply
    18,626.75x = 25,703.35 × 10,968.81
  4. Step 4: Simplify right side
    18,626.75x = 281,935,162.51
  5. Step 5: Solve for x
    x = 281,935,162.51/18,626.75
  6. Step 6: Final answer
    x = 15,136.04

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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.