Home / 16,516.48-24,778.50-7,158.07

Finding the Fourth Proportional to 16,516.48, 24,778.50 and 7,158.07

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Solution

The fourth proportional to 16,516.48, 24,778.50 and 7,158.07 is: 10,738.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,516.48 : 24,778.50 = 7,158.07 : x
  2. Step 2: Convert to fraction form
    16,516.48/24,778.50 = 7,158.07/x
  3. Step 3: Cross multiply
    16,516.48x = 24,778.50 × 7,158.07
  4. Step 4: Simplify right side
    16,516.48x = 177,366,113.60
  5. Step 5: Solve for x
    x = 177,366,113.60/16,516.48
  6. Step 6: Final answer
    x = 10,738.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.