Home / 12,331.58-18,501.42-4,541

Finding the Fourth Proportional to 12,331.58, 18,501.42 and 4,541

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Solution

The fourth proportional to 12,331.58, 18,501.42 and 4,541 is: 6,812.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.58 : 18,501.42 = 4,541 : x
  2. Step 2: Convert to fraction form
    12,331.58/18,501.42 = 4,541/x
  3. Step 3: Cross multiply
    12,331.58x = 18,501.42 × 4,541
  4. Step 4: Simplify right side
    12,331.58x = 84,014,948.22
  5. Step 5: Solve for x
    x = 84,014,948.22/12,331.58
  6. Step 6: Final answer
    x = 6,812.99

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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.