Home / 21,625.03-29,842.98-12,065.56

Finding the Fourth Proportional to 21,625.03, 29,842.98 and 12,065.56

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Solution

The fourth proportional to 21,625.03, 29,842.98 and 12,065.56 is: 16,650.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,625.03 : 29,842.98 = 12,065.56 : x
  2. Step 2: Convert to fraction form
    21,625.03/29,842.98 = 12,065.56/x
  3. Step 3: Cross multiply
    21,625.03x = 29,842.98 × 12,065.56
  4. Step 4: Simplify right side
    21,625.03x = 360,072,213.78
  5. Step 5: Solve for x
    x = 360,072,213.78/21,625.03
  6. Step 6: Final answer
    x = 16,650.72

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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.