Home / 14,515.88-21,732.50-9,570.42

Finding the Fourth Proportional to 14,515.88, 21,732.50 and 9,570.42

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Solution

The fourth proportional to 14,515.88, 21,732.50 and 9,570.42 is: 14,328.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.88 : 21,732.50 = 9,570.42 : x
  2. Step 2: Convert to fraction form
    14,515.88/21,732.50 = 9,570.42/x
  3. Step 3: Cross multiply
    14,515.88x = 21,732.50 × 9,570.42
  4. Step 4: Simplify right side
    14,515.88x = 207,989,176.58
  5. Step 5: Solve for x
    x = 207,989,176.58/14,515.88
  6. Step 6: Final answer
    x = 14,328.39

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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.