Home / 18,029.18-24,879.86-10,072.15

Finding the Fourth Proportional to 18,029.18, 24,879.86 and 10,072.15

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Solution

The fourth proportional to 18,029.18, 24,879.86 and 10,072.15 is: 13,899.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,029.18 : 24,879.86 = 10,072.15 : x
  2. Step 2: Convert to fraction form
    18,029.18/24,879.86 = 10,072.15/x
  3. Step 3: Cross multiply
    18,029.18x = 24,879.86 × 10,072.15
  4. Step 4: Simplify right side
    18,029.18x = 250,593,607.11
  5. Step 5: Solve for x
    x = 250,593,607.11/18,029.18
  6. Step 6: Final answer
    x = 13,899.33

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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.