Home / 15,435.77-23,151.23-4,904.40

Finding the Fourth Proportional to 15,435.77, 23,151.23 and 4,904.40

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Solution

The fourth proportional to 15,435.77, 23,151.23 and 4,904.40 is: 7,355.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.77 : 23,151.23 = 4,904.40 : x
  2. Step 2: Convert to fraction form
    15,435.77/23,151.23 = 4,904.40/x
  3. Step 3: Cross multiply
    15,435.77x = 23,151.23 × 4,904.40
  4. Step 4: Simplify right side
    15,435.77x = 113,542,867.89
  5. Step 5: Solve for x
    x = 113,542,867.89/15,435.77
  6. Step 6: Final answer
    x = 7,355.83

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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.