Home / 15,945.81-23,903.09-5,943.23

Finding the Fourth Proportional to 15,945.81, 23,903.09 and 5,943.23

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Solution

The fourth proportional to 15,945.81, 23,903.09 and 5,943.23 is: 8,909.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.81 : 23,903.09 = 5,943.23 : x
  2. Step 2: Convert to fraction form
    15,945.81/23,903.09 = 5,943.23/x
  3. Step 3: Cross multiply
    15,945.81x = 23,903.09 × 5,943.23
  4. Step 4: Simplify right side
    15,945.81x = 142,061,561.58
  5. Step 5: Solve for x
    x = 142,061,561.58/15,945.81
  6. Step 6: Final answer
    x = 8,909.02

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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.