Home / 12,432.43-18,648.70-5,037.03

Finding the Fourth Proportional to 12,432.43, 18,648.70 and 5,037.03

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Solution

The fourth proportional to 12,432.43, 18,648.70 and 5,037.03 is: 7,555.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432.43 : 18,648.70 = 5,037.03 : x
  2. Step 2: Convert to fraction form
    12,432.43/18,648.70 = 5,037.03/x
  3. Step 3: Cross multiply
    12,432.43x = 18,648.70 × 5,037.03
  4. Step 4: Simplify right side
    12,432.43x = 93,934,061.36
  5. Step 5: Solve for x
    x = 93,934,061.36/12,432.43
  6. Step 6: Final answer
    x = 7,555.57

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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.