Home / 19,999.12-27,590.07-12,036.82

Finding the Fourth Proportional to 19,999.12, 27,590.07 and 12,036.82

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Solution

The fourth proportional to 19,999.12, 27,590.07 and 12,036.82 is: 16,605.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,999.12 : 27,590.07 = 12,036.82 : x
  2. Step 2: Convert to fraction form
    19,999.12/27,590.07 = 12,036.82/x
  3. Step 3: Cross multiply
    19,999.12x = 27,590.07 × 12,036.82
  4. Step 4: Simplify right side
    19,999.12x = 332,096,706.38
  5. Step 5: Solve for x
    x = 332,096,706.38/19,999.12
  6. Step 6: Final answer
    x = 16,605.57

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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.