Home / 14,166.47-21,249.71-6,748.44

Finding the Fourth Proportional to 14,166.47, 21,249.71 and 6,748.44

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Solution

The fourth proportional to 14,166.47, 21,249.71 and 6,748.44 is: 10,122.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,166.47 : 21,249.71 = 6,748.44 : x
  2. Step 2: Convert to fraction form
    14,166.47/21,249.71 = 6,748.44/x
  3. Step 3: Cross multiply
    14,166.47x = 21,249.71 × 6,748.44
  4. Step 4: Simplify right side
    14,166.47x = 143,402,359.21
  5. Step 5: Solve for x
    x = 143,402,359.21/14,166.47
  6. Step 6: Final answer
    x = 10,122.66

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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.