Home / 14,443.63-21,665.44-5,209.63

Finding the Fourth Proportional to 14,443.63, 21,665.44 and 5,209.63

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Solution

The fourth proportional to 14,443.63, 21,665.44 and 5,209.63 is: 7,814.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443.63 : 21,665.44 = 5,209.63 : x
  2. Step 2: Convert to fraction form
    14,443.63/21,665.44 = 5,209.63/x
  3. Step 3: Cross multiply
    14,443.63x = 21,665.44 × 5,209.63
  4. Step 4: Simplify right side
    14,443.63x = 112,868,926.19
  5. Step 5: Solve for x
    x = 112,868,926.19/14,443.63
  6. Step 6: Final answer
    x = 7,814.44

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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.