Home / 14,798.05-20,421.68-8,083.74

Finding the Fourth Proportional to 14,798.05, 20,421.68 and 8,083.74

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Solution

The fourth proportional to 14,798.05, 20,421.68 and 8,083.74 is: 11,155.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,798.05 : 20,421.68 = 8,083.74 : x
  2. Step 2: Convert to fraction form
    14,798.05/20,421.68 = 8,083.74/x
  3. Step 3: Cross multiply
    14,798.05x = 20,421.68 × 8,083.74
  4. Step 4: Simplify right side
    14,798.05x = 165,083,511.06
  5. Step 5: Solve for x
    x = 165,083,511.06/14,798.05
  6. Step 6: Final answer
    x = 11,155.76

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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.