Home / 12,670.24-19,004.40-4,456.48

Finding the Fourth Proportional to 12,670.24, 19,004.40 and 4,456.48

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Solution

The fourth proportional to 12,670.24, 19,004.40 and 4,456.48 is: 6,684.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670.24 : 19,004.40 = 4,456.48 : x
  2. Step 2: Convert to fraction form
    12,670.24/19,004.40 = 4,456.48/x
  3. Step 3: Cross multiply
    12,670.24x = 19,004.40 × 4,456.48
  4. Step 4: Simplify right side
    12,670.24x = 84,692,728.51
  5. Step 5: Solve for x
    x = 84,692,728.51/12,670.24
  6. Step 6: Final answer
    x = 6,684.38

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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.