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Finding the Fourth Proportional to 16,357.98, 22,530.99 and 12,573.90

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Solution

The fourth proportional to 16,357.98, 22,530.99 and 12,573.90 is: 17,318.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,357.98 : 22,530.99 = 12,573.90 : x
  2. Step 2: Convert to fraction form
    16,357.98/22,530.99 = 12,573.90/x
  3. Step 3: Cross multiply
    16,357.98x = 22,530.99 × 12,573.90
  4. Step 4: Simplify right side
    16,357.98x = 283,302,415.16
  5. Step 5: Solve for x
    x = 283,302,415.16/16,357.98
  6. Step 6: Final answer
    x = 17,318.91

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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.