Home / 15,651.30-21,604.68-10,353.36

Finding the Fourth Proportional to 15,651.30, 21,604.68 and 10,353.36

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Solution

The fourth proportional to 15,651.30, 21,604.68 and 10,353.36 is: 14,291.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651.30 : 21,604.68 = 10,353.36 : x
  2. Step 2: Convert to fraction form
    15,651.30/21,604.68 = 10,353.36/x
  3. Step 3: Cross multiply
    15,651.30x = 21,604.68 × 10,353.36
  4. Step 4: Simplify right side
    15,651.30x = 223,681,029.72
  5. Step 5: Solve for x
    x = 223,681,029.72/15,651.30
  6. Step 6: Final answer
    x = 14,291.53

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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.