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Finding the Fourth Proportional to 16,596.19, 22,925.12 and 15,415.21

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Solution

The fourth proportional to 16,596.19, 22,925.12 and 15,415.21 is: 21,293.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,596.19 : 22,925.12 = 15,415.21 : x
  2. Step 2: Convert to fraction form
    16,596.19/22,925.12 = 15,415.21/x
  3. Step 3: Cross multiply
    16,596.19x = 22,925.12 × 15,415.21
  4. Step 4: Simplify right side
    16,596.19x = 353,395,539.08
  5. Step 5: Solve for x
    x = 353,395,539.08/16,596.19
  6. Step 6: Final answer
    x = 21,293.78

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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.