Home / 19,996.96-27,590.16-12,036.64

Finding the Fourth Proportional to 19,996.96, 27,590.16 and 12,036.64

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Solution

The fourth proportional to 19,996.96, 27,590.16 and 12,036.64 is: 16,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.96 : 27,590.16 = 12,036.64 : x
  2. Step 2: Convert to fraction form
    19,996.96/27,590.16 = 12,036.64/x
  3. Step 3: Cross multiply
    19,996.96x = 27,590.16 × 12,036.64
  4. Step 4: Simplify right side
    19,996.96x = 332,092,823.46
  5. Step 5: Solve for x
    x = 332,092,823.46/19,996.96
  6. Step 6: Final answer
    x = 16,607.17

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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.