Home / 15,294.24-21,118.50-12,462.03

Finding the Fourth Proportional to 15,294.24, 21,118.50 and 12,462.03

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Solution

The fourth proportional to 15,294.24, 21,118.50 and 12,462.03 is: 17,207.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,294.24 : 21,118.50 = 12,462.03 : x
  2. Step 2: Convert to fraction form
    15,294.24/21,118.50 = 12,462.03/x
  3. Step 3: Cross multiply
    15,294.24x = 21,118.50 × 12,462.03
  4. Step 4: Simplify right side
    15,294.24x = 263,179,380.56
  5. Step 5: Solve for x
    x = 263,179,380.56/15,294.24
  6. Step 6: Final answer
    x = 17,207.74

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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.