Home / 13,567.78-20,325.84-6,527

Finding the Fourth Proportional to 13,567.78, 20,325.84 and 6,527

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Solution

The fourth proportional to 13,567.78, 20,325.84 and 6,527 is: 9,778.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.78 : 20,325.84 = 6,527 : x
  2. Step 2: Convert to fraction form
    13,567.78/20,325.84 = 6,527/x
  3. Step 3: Cross multiply
    13,567.78x = 20,325.84 × 6,527
  4. Step 4: Simplify right side
    13,567.78x = 132,666,757.68
  5. Step 5: Solve for x
    x = 132,666,757.68/13,567.78
  6. Step 6: Final answer
    x = 9,778.07

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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.