Home / 16,829.20-25,222.20-14,971.60

Finding the Fourth Proportional to 16,829.20, 25,222.20 and 14,971.60

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Solution

The fourth proportional to 16,829.20, 25,222.20 and 14,971.60 is: 22,438.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,829.20 : 25,222.20 = 14,971.60 : x
  2. Step 2: Convert to fraction form
    16,829.20/25,222.20 = 14,971.60/x
  3. Step 3: Cross multiply
    16,829.20x = 25,222.20 × 14,971.60
  4. Step 4: Simplify right side
    16,829.20x = 377,616,689.52
  5. Step 5: Solve for x
    x = 377,616,689.52/16,829.20
  6. Step 6: Final answer
    x = 22,438.18

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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.