Home / 16,829.60-25,222.10-12,914.86

Finding the Fourth Proportional to 16,829.60, 25,222.10 and 12,914.86

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Solution

The fourth proportional to 16,829.60, 25,222.10 and 12,914.86 is: 19,355.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,829.60 : 25,222.10 = 12,914.86 : x
  2. Step 2: Convert to fraction form
    16,829.60/25,222.10 = 12,914.86/x
  3. Step 3: Cross multiply
    16,829.60x = 25,222.10 × 12,914.86
  4. Step 4: Simplify right side
    16,829.60x = 325,739,890.41
  5. Step 5: Solve for x
    x = 325,739,890.41/16,829.60
  6. Step 6: Final answer
    x = 19,355.18

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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.