Home / 14,442.24-19,901.76-10,243.20

Finding the Fourth Proportional to 14,442.24, 19,901.76 and 10,243.20

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Solution

The fourth proportional to 14,442.24, 19,901.76 and 10,243.20 is: 14,115.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,442.24 : 19,901.76 = 10,243.20 : x
  2. Step 2: Convert to fraction form
    14,442.24/19,901.76 = 10,243.20/x
  3. Step 3: Cross multiply
    14,442.24x = 19,901.76 × 10,243.20
  4. Step 4: Simplify right side
    14,442.24x = 203,857,708.03
  5. Step 5: Solve for x
    x = 203,857,708.03/14,442.24
  6. Step 6: Final answer
    x = 14,115.38

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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.