Home / 19,658.01-27,124.98-11,272.89

Finding the Fourth Proportional to 19,658.01, 27,124.98 and 11,272.89

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Solution

The fourth proportional to 19,658.01, 27,124.98 and 11,272.89 is: 15,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,658.01 : 27,124.98 = 11,272.89 : x
  2. Step 2: Convert to fraction form
    19,658.01/27,124.98 = 11,272.89/x
  3. Step 3: Cross multiply
    19,658.01x = 27,124.98 × 11,272.89
  4. Step 4: Simplify right side
    19,658.01x = 305,776,915.79
  5. Step 5: Solve for x
    x = 305,776,915.79/19,658.01
  6. Step 6: Final answer
    x = 15,554.83

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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.