Home / 14,484.10-19,992.82-8,515.48

Finding the Fourth Proportional to 14,484.10, 19,992.82 and 8,515.48

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Solution

The fourth proportional to 14,484.10, 19,992.82 and 8,515.48 is: 11,754.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,484.10 : 19,992.82 = 8,515.48 : x
  2. Step 2: Convert to fraction form
    14,484.10/19,992.82 = 8,515.48/x
  3. Step 3: Cross multiply
    14,484.10x = 19,992.82 × 8,515.48
  4. Step 4: Simplify right side
    14,484.10x = 170,248,458.85
  5. Step 5: Solve for x
    x = 170,248,458.85/14,484.10
  6. Step 6: Final answer
    x = 11,754.16

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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.