Home / 16,128.24-24,156.63-12,403.14

Finding the Fourth Proportional to 16,128.24, 24,156.63 and 12,403.14

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Solution

The fourth proportional to 16,128.24, 24,156.63 and 12,403.14 is: 18,577.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128.24 : 24,156.63 = 12,403.14 : x
  2. Step 2: Convert to fraction form
    16,128.24/24,156.63 = 12,403.14/x
  3. Step 3: Cross multiply
    16,128.24x = 24,156.63 × 12,403.14
  4. Step 4: Simplify right side
    16,128.24x = 299,618,063.82
  5. Step 5: Solve for x
    x = 299,618,063.82/16,128.24
  6. Step 6: Final answer
    x = 18,577.23

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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.