Home / 19,484.93-26,871.27-12,768.11

Finding the Fourth Proportional to 19,484.93, 26,871.27 and 12,768.11

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Solution

The fourth proportional to 19,484.93, 26,871.27 and 12,768.11 is: 17,608.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,484.93 : 26,871.27 = 12,768.11 : x
  2. Step 2: Convert to fraction form
    19,484.93/26,871.27 = 12,768.11/x
  3. Step 3: Cross multiply
    19,484.93x = 26,871.27 × 12,768.11
  4. Step 4: Simplify right side
    19,484.93x = 343,095,331.20
  5. Step 5: Solve for x
    x = 343,095,331.20/19,484.93
  6. Step 6: Final answer
    x = 17,608.24

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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.