Home / 12,266.55-18,399.84-3,501.47

Finding the Fourth Proportional to 12,266.55, 18,399.84 and 3,501.47

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Solution

The fourth proportional to 12,266.55, 18,399.84 and 3,501.47 is: 5,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266.55 : 18,399.84 = 3,501.47 : x
  2. Step 2: Convert to fraction form
    12,266.55/18,399.84 = 3,501.47/x
  3. Step 3: Cross multiply
    12,266.55x = 18,399.84 × 3,501.47
  4. Step 4: Simplify right side
    12,266.55x = 64,426,395.77
  5. Step 5: Solve for x
    x = 64,426,395.77/12,266.55
  6. Step 6: Final answer
    x = 5,252.20

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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.