Home / 16,520.54-24,904.60-15,420.73

Finding the Fourth Proportional to 16,520.54, 24,904.60 and 15,420.73

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Solution

The fourth proportional to 16,520.54, 24,904.60 and 15,420.73 is: 23,246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520.54 : 24,904.60 = 15,420.73 : x
  2. Step 2: Convert to fraction form
    16,520.54/24,904.60 = 15,420.73/x
  3. Step 3: Cross multiply
    16,520.54x = 24,904.60 × 15,420.73
  4. Step 4: Simplify right side
    16,520.54x = 384,047,088.65
  5. Step 5: Solve for x
    x = 384,047,088.65/16,520.54
  6. Step 6: Final answer
    x = 23,246.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.