Home / 16,605.46-22,915.38-9,051.78

Finding the Fourth Proportional to 16,605.46, 22,915.38 and 9,051.78

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Solution

The fourth proportional to 16,605.46, 22,915.38 and 9,051.78 is: 12,491.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,605.46 : 22,915.38 = 9,051.78 : x
  2. Step 2: Convert to fraction form
    16,605.46/22,915.38 = 9,051.78/x
  3. Step 3: Cross multiply
    16,605.46x = 22,915.38 × 9,051.78
  4. Step 4: Simplify right side
    16,605.46x = 207,424,978.38
  5. Step 5: Solve for x
    x = 207,424,978.38/16,605.46
  6. Step 6: Final answer
    x = 12,491.37

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1.5x scale

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.