Home / 16,124.42-22,274.12-15,336.20

Finding the Fourth Proportional to 16,124.42, 22,274.12 and 15,336.20

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Solution

The fourth proportional to 16,124.42, 22,274.12 and 15,336.20 is: 21,185.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,124.42 : 22,274.12 = 15,336.20 : x
  2. Step 2: Convert to fraction form
    16,124.42/22,274.12 = 15,336.20/x
  3. Step 3: Cross multiply
    16,124.42x = 22,274.12 × 15,336.20
  4. Step 4: Simplify right side
    16,124.42x = 341,600,359.14
  5. Step 5: Solve for x
    x = 341,600,359.14/16,124.42
  6. Step 6: Final answer
    x = 21,185.28

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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.