Home / 15,966.17-21,996.60-12,607.73

Finding the Fourth Proportional to 15,966.17, 21,996.60 and 12,607.73

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Solution

The fourth proportional to 15,966.17, 21,996.60 and 12,607.73 is: 17,369.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,966.17 : 21,996.60 = 12,607.73 : x
  2. Step 2: Convert to fraction form
    15,966.17/21,996.60 = 12,607.73/x
  3. Step 3: Cross multiply
    15,966.17x = 21,996.60 × 12,607.73
  4. Step 4: Simplify right side
    15,966.17x = 277,327,193.72
  5. Step 5: Solve for x
    x = 277,327,193.72/15,966.17
  6. Step 6: Final answer
    x = 17,369.68

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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.