Home / 18,958.24-28,432.50-10,061.47

Finding the Fourth Proportional to 18,958.24, 28,432.50 and 10,061.47

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Solution

The fourth proportional to 18,958.24, 28,432.50 and 10,061.47 is: 15,089.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,958.24 : 28,432.50 = 10,061.47 : x
  2. Step 2: Convert to fraction form
    18,958.24/28,432.50 = 10,061.47/x
  3. Step 3: Cross multiply
    18,958.24x = 28,432.50 × 10,061.47
  4. Step 4: Simplify right side
    18,958.24x = 286,072,745.78
  5. Step 5: Solve for x
    x = 286,072,745.78/18,958.24
  6. Step 6: Final answer
    x = 15,089.63

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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.