Home / 14,343.57-19,807.20-10,800.63

Finding the Fourth Proportional to 14,343.57, 19,807.20 and 10,800.63

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Solution

The fourth proportional to 14,343.57, 19,807.20 and 10,800.63 is: 14,914.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343.57 : 19,807.20 = 10,800.63 : x
  2. Step 2: Convert to fraction form
    14,343.57/19,807.20 = 10,800.63/x
  3. Step 3: Cross multiply
    14,343.57x = 19,807.20 × 10,800.63
  4. Step 4: Simplify right side
    14,343.57x = 213,930,238.54
  5. Step 5: Solve for x
    x = 213,930,238.54/14,343.57
  6. Step 6: Final answer
    x = 14,914.71

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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.