Home / 15,651.52-23,418.39-10,980.63

Finding the Fourth Proportional to 15,651.52, 23,418.39 and 10,980.63

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Solution

The fourth proportional to 15,651.52, 23,418.39 and 10,980.63 is: 16,429.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651.52 : 23,418.39 = 10,980.63 : x
  2. Step 2: Convert to fraction form
    15,651.52/23,418.39 = 10,980.63/x
  3. Step 3: Cross multiply
    15,651.52x = 23,418.39 × 10,980.63
  4. Step 4: Simplify right side
    15,651.52x = 257,148,675.79
  5. Step 5: Solve for x
    x = 257,148,675.79/15,651.52
  6. Step 6: Final answer
    x = 16,429.63

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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.