Home / 19,670.51-29,490.34-13,414.97

Finding the Fourth Proportional to 19,670.51, 29,490.34 and 13,414.97

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Solution

The fourth proportional to 19,670.51, 29,490.34 and 13,414.97 is: 20,111.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.51 : 29,490.34 = 13,414.97 : x
  2. Step 2: Convert to fraction form
    19,670.51/29,490.34 = 13,414.97/x
  3. Step 3: Cross multiply
    19,670.51x = 29,490.34 × 13,414.97
  4. Step 4: Simplify right side
    19,670.51x = 395,612,026.39
  5. Step 5: Solve for x
    x = 395,612,026.39/19,670.51
  6. Step 6: Final answer
    x = 20,111.94

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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.