Home / 15,913.81-23,870.49-4,820.73

Finding the Fourth Proportional to 15,913.81, 23,870.49 and 4,820.73

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Solution

The fourth proportional to 15,913.81, 23,870.49 and 4,820.73 is: 7,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,913.81 : 23,870.49 = 4,820.73 : x
  2. Step 2: Convert to fraction form
    15,913.81/23,870.49 = 4,820.73/x
  3. Step 3: Cross multiply
    15,913.81x = 23,870.49 × 4,820.73
  4. Step 4: Simplify right side
    15,913.81x = 115,073,187.26
  5. Step 5: Solve for x
    x = 115,073,187.26/15,913.81
  6. Step 6: Final answer
    x = 7,231.03

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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.