Home / 14,041.28-19,380-9,575.69

Finding the Fourth Proportional to 14,041.28, 19,380 and 9,575.69

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Solution

The fourth proportional to 14,041.28, 19,380 and 9,575.69 is: 13,216.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041.28 : 19,380 = 9,575.69 : x
  2. Step 2: Convert to fraction form
    14,041.28/19,380 = 9,575.69/x
  3. Step 3: Cross multiply
    14,041.28x = 19,380 × 9,575.69
  4. Step 4: Simplify right side
    14,041.28x = 185,576,872.20
  5. Step 5: Solve for x
    x = 185,576,872.20/14,041.28
  6. Step 6: Final answer
    x = 13,216.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.