Home / 18,516.46-25,552.47-10,558.81

Finding the Fourth Proportional to 18,516.46, 25,552.47 and 10,558.81

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Solution

The fourth proportional to 18,516.46, 25,552.47 and 10,558.81 is: 14,571.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.46 : 25,552.47 = 10,558.81 : x
  2. Step 2: Convert to fraction form
    18,516.46/25,552.47 = 10,558.81/x
  3. Step 3: Cross multiply
    18,516.46x = 25,552.47 × 10,558.81
  4. Step 4: Simplify right side
    18,516.46x = 269,803,675.76
  5. Step 5: Solve for x
    x = 269,803,675.76/18,516.46
  6. Step 6: Final answer
    x = 14,571.02

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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.