Home / 19,425.81-26,807.72-11,471.96

Finding the Fourth Proportional to 19,425.81, 26,807.72 and 11,471.96

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Solution

The fourth proportional to 19,425.81, 26,807.72 and 11,471.96 is: 15,831.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425.81 : 26,807.72 = 11,471.96 : x
  2. Step 2: Convert to fraction form
    19,425.81/26,807.72 = 11,471.96/x
  3. Step 3: Cross multiply
    19,425.81x = 26,807.72 × 11,471.96
  4. Step 4: Simplify right side
    19,425.81x = 307,536,957.49
  5. Step 5: Solve for x
    x = 307,536,957.49/19,425.81
  6. Step 6: Final answer
    x = 15,831.36

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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.