Home / 19,575.14-27,006.62-12,864.42

Finding the Fourth Proportional to 19,575.14, 27,006.62 and 12,864.42

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Solution

The fourth proportional to 19,575.14, 27,006.62 and 12,864.42 is: 17,748.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,575.14 : 27,006.62 = 12,864.42 : x
  2. Step 2: Convert to fraction form
    19,575.14/27,006.62 = 12,864.42/x
  3. Step 3: Cross multiply
    19,575.14x = 27,006.62 × 12,864.42
  4. Step 4: Simplify right side
    19,575.14x = 347,424,438.14
  5. Step 5: Solve for x
    x = 347,424,438.14/19,575.14
  6. Step 6: Final answer
    x = 17,748.25

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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.