Home / 15,873.80-23,813.91-4,780.04

Finding the Fourth Proportional to 15,873.80, 23,813.91 and 4,780.04

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Solution

The fourth proportional to 15,873.80, 23,813.91 and 4,780.04 is: 7,171.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,873.80 : 23,813.91 = 4,780.04 : x
  2. Step 2: Convert to fraction form
    15,873.80/23,813.91 = 4,780.04/x
  3. Step 3: Cross multiply
    15,873.80x = 23,813.91 × 4,780.04
  4. Step 4: Simplify right side
    15,873.80x = 113,831,323.29
  5. Step 5: Solve for x
    x = 113,831,323.29/15,873.80
  6. Step 6: Final answer
    x = 7,171.02

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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.