Home / 19,575.11-27,002.35-12,493.55

Finding the Fourth Proportional to 19,575.11, 27,002.35 and 12,493.55

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Solution

The fourth proportional to 19,575.11, 27,002.35 and 12,493.55 is: 17,233.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,575.11 : 27,002.35 = 12,493.55 : x
  2. Step 2: Convert to fraction form
    19,575.11/27,002.35 = 12,493.55/x
  3. Step 3: Cross multiply
    19,575.11x = 27,002.35 × 12,493.55
  4. Step 4: Simplify right side
    19,575.11x = 337,355,209.84
  5. Step 5: Solve for x
    x = 337,355,209.84/19,575.11
  6. Step 6: Final answer
    x = 17,233.89

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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.