Home / 15,619.73-23,419.16-8,603.02

Finding the Fourth Proportional to 15,619.73, 23,419.16 and 8,603.02

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Solution

The fourth proportional to 15,619.73, 23,419.16 and 8,603.02 is: 12,898.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,619.73 : 23,419.16 = 8,603.02 : x
  2. Step 2: Convert to fraction form
    15,619.73/23,419.16 = 8,603.02/x
  3. Step 3: Cross multiply
    15,619.73x = 23,419.16 × 8,603.02
  4. Step 4: Simplify right side
    15,619.73x = 201,475,501.86
  5. Step 5: Solve for x
    x = 201,475,501.86/15,619.73
  6. Step 6: Final answer
    x = 12,898.78

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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.