Home / 18,516.42-25,552.74-10,558.80

Finding the Fourth Proportional to 18,516.42, 25,552.74 and 10,558.80

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Solution

The fourth proportional to 18,516.42, 25,552.74 and 10,558.80 is: 14,571.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.42 : 25,552.74 = 10,558.80 : x
  2. Step 2: Convert to fraction form
    18,516.42/25,552.74 = 10,558.80/x
  3. Step 3: Cross multiply
    18,516.42x = 25,552.74 × 10,558.80
  4. Step 4: Simplify right side
    18,516.42x = 269,806,271.11
  5. Step 5: Solve for x
    x = 269,806,271.11/18,516.42
  6. Step 6: Final answer
    x = 14,571.19

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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.