Home / 18,829.98-25,992.36-16,166.70

Finding the Fourth Proportional to 18,829.98, 25,992.36 and 16,166.70

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Solution

The fourth proportional to 18,829.98, 25,992.36 and 16,166.70 is: 22,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.98 : 25,992.36 = 16,166.70 : x
  2. Step 2: Convert to fraction form
    18,829.98/25,992.36 = 16,166.70/x
  3. Step 3: Cross multiply
    18,829.98x = 25,992.36 × 16,166.70
  4. Step 4: Simplify right side
    18,829.98x = 420,210,686.41
  5. Step 5: Solve for x
    x = 420,210,686.41/18,829.98
  6. Step 6: Final answer
    x = 22,316.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.