Home / 14,118.76-21,173.82-5,354.92

Finding the Fourth Proportional to 14,118.76, 21,173.82 and 5,354.92

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Solution

The fourth proportional to 14,118.76, 21,173.82 and 5,354.92 is: 8,030.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.76 : 21,173.82 = 5,354.92 : x
  2. Step 2: Convert to fraction form
    14,118.76/21,173.82 = 5,354.92/x
  3. Step 3: Cross multiply
    14,118.76x = 21,173.82 × 5,354.92
  4. Step 4: Simplify right side
    14,118.76x = 113,384,112.19
  5. Step 5: Solve for x
    x = 113,384,112.19/14,118.76
  6. Step 6: Final answer
    x = 8,030.74

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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.