Home / 16,478.08-24,688.32-13,722.48

Finding the Fourth Proportional to 16,478.08, 24,688.32 and 13,722.48

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Solution

The fourth proportional to 16,478.08, 24,688.32 and 13,722.48 is: 20,559.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,478.08 : 24,688.32 = 13,722.48 : x
  2. Step 2: Convert to fraction form
    16,478.08/24,688.32 = 13,722.48/x
  3. Step 3: Cross multiply
    16,478.08x = 24,688.32 × 13,722.48
  4. Step 4: Simplify right side
    16,478.08x = 338,784,977.43
  5. Step 5: Solve for x
    x = 338,784,977.43/16,478.08
  6. Step 6: Final answer
    x = 20,559.74

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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.