Home / 12,992.57-19,484.01-4,670.31

Finding the Fourth Proportional to 12,992.57, 19,484.01 and 4,670.31

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Solution

The fourth proportional to 12,992.57, 19,484.01 and 4,670.31 is: 7,003.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,992.57 : 19,484.01 = 4,670.31 : x
  2. Step 2: Convert to fraction form
    12,992.57/19,484.01 = 4,670.31/x
  3. Step 3: Cross multiply
    12,992.57x = 19,484.01 × 4,670.31
  4. Step 4: Simplify right side
    12,992.57x = 90,996,366.74
  5. Step 5: Solve for x
    x = 90,996,366.74/12,992.57
  6. Step 6: Final answer
    x = 7,003.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.