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Finding the Fourth Proportional to 16,011.93, 22,095.54 and 8,938.80

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Solution

The fourth proportional to 16,011.93, 22,095.54 and 8,938.80 is: 12,335.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,011.93 : 22,095.54 = 8,938.80 : x
  2. Step 2: Convert to fraction form
    16,011.93/22,095.54 = 8,938.80/x
  3. Step 3: Cross multiply
    16,011.93x = 22,095.54 × 8,938.80
  4. Step 4: Simplify right side
    16,011.93x = 197,507,502.47
  5. Step 5: Solve for x
    x = 197,507,502.47/16,011.93
  6. Step 6: Final answer
    x = 12,335.03

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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.