Home / 16,619.76-24,903.12-11,631.60

Finding the Fourth Proportional to 16,619.76, 24,903.12 and 11,631.60

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Solution

The fourth proportional to 16,619.76, 24,903.12 and 11,631.60 is: 17,428.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,619.76 : 24,903.12 = 11,631.60 : x
  2. Step 2: Convert to fraction form
    16,619.76/24,903.12 = 11,631.60/x
  3. Step 3: Cross multiply
    16,619.76x = 24,903.12 × 11,631.60
  4. Step 4: Simplify right side
    16,619.76x = 289,663,130.59
  5. Step 5: Solve for x
    x = 289,663,130.59/16,619.76
  6. Step 6: Final answer
    x = 17,428.84

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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.