Home / 15,619.02-23,428.30-3,772.68

Finding the Fourth Proportional to 15,619.02, 23,428.30 and 3,772.68

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Solution

The fourth proportional to 15,619.02, 23,428.30 and 3,772.68 is: 5,658.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,619.02 : 23,428.30 = 3,772.68 : x
  2. Step 2: Convert to fraction form
    15,619.02/23,428.30 = 3,772.68/x
  3. Step 3: Cross multiply
    15,619.02x = 23,428.30 × 3,772.68
  4. Step 4: Simplify right side
    15,619.02x = 88,387,478.84
  5. Step 5: Solve for x
    x = 88,387,478.84/15,619.02
  6. Step 6: Final answer
    x = 5,658.96

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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.