Home / 18,430.70-27,650.10-5,948.60

Finding the Fourth Proportional to 18,430.70, 27,650.10 and 5,948.60

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Solution

The fourth proportional to 18,430.70, 27,650.10 and 5,948.60 is: 8,924.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430.70 : 27,650.10 = 5,948.60 : x
  2. Step 2: Convert to fraction form
    18,430.70/27,650.10 = 5,948.60/x
  3. Step 3: Cross multiply
    18,430.70x = 27,650.10 × 5,948.60
  4. Step 4: Simplify right side
    18,430.70x = 164,479,384.86
  5. Step 5: Solve for x
    x = 164,479,384.86/18,430.70
  6. Step 6: Final answer
    x = 8,924.21

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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.