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Finding the Fourth Proportional to 16,594.60, 22,890.09 and 9,875.21

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Solution

The fourth proportional to 16,594.60, 22,890.09 and 9,875.21 is: 13,621.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,594.60 : 22,890.09 = 9,875.21 : x
  2. Step 2: Convert to fraction form
    16,594.60/22,890.09 = 9,875.21/x
  3. Step 3: Cross multiply
    16,594.60x = 22,890.09 × 9,875.21
  4. Step 4: Simplify right side
    16,594.60x = 226,044,413.69
  5. Step 5: Solve for x
    x = 226,044,413.69/16,594.60
  6. Step 6: Final answer
    x = 13,621.56

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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.