Home / 23,471.81-32,390.56-13,400.01

Finding the Fourth Proportional to 23,471.81, 32,390.56 and 13,400.01

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Solution

The fourth proportional to 23,471.81, 32,390.56 and 13,400.01 is: 18,491.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,471.81 : 32,390.56 = 13,400.01 : x
  2. Step 2: Convert to fraction form
    23,471.81/32,390.56 = 13,400.01/x
  3. Step 3: Cross multiply
    23,471.81x = 32,390.56 × 13,400.01
  4. Step 4: Simplify right side
    23,471.81x = 434,033,760.91
  5. Step 5: Solve for x
    x = 434,033,760.91/23,471.81
  6. Step 6: Final answer
    x = 18,491.71

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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.