Home / 16,643.23-24,889.03-12,429.43

Finding the Fourth Proportional to 16,643.23, 24,889.03 and 12,429.43

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Solution

The fourth proportional to 16,643.23, 24,889.03 and 12,429.43 is: 18,587.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,643.23 : 24,889.03 = 12,429.43 : x
  2. Step 2: Convert to fraction form
    16,643.23/24,889.03 = 12,429.43/x
  3. Step 3: Cross multiply
    16,643.23x = 24,889.03 × 12,429.43
  4. Step 4: Simplify right side
    16,643.23x = 309,356,362.86
  5. Step 5: Solve for x
    x = 309,356,362.86/16,643.23
  6. Step 6: Final answer
    x = 18,587.52

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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.