Home / 20,252.93-27,966.62-12,712.33

Finding the Fourth Proportional to 20,252.93, 27,966.62 and 12,712.33

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Solution

The fourth proportional to 20,252.93, 27,966.62 and 12,712.33 is: 17,554.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.93 : 27,966.62 = 12,712.33 : x
  2. Step 2: Convert to fraction form
    20,252.93/27,966.62 = 12,712.33/x
  3. Step 3: Cross multiply
    20,252.93x = 27,966.62 × 12,712.33
  4. Step 4: Simplify right side
    20,252.93x = 355,520,902.42
  5. Step 5: Solve for x
    x = 355,520,902.42/20,252.93
  6. Step 6: Final answer
    x = 17,554.05

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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.