Home / 15,982.33-23,977.81-4,888.72

Finding the Fourth Proportional to 15,982.33, 23,977.81 and 4,888.72

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Solution

The fourth proportional to 15,982.33, 23,977.81 and 4,888.72 is: 7,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.33 : 23,977.81 = 4,888.72 : x
  2. Step 2: Convert to fraction form
    15,982.33/23,977.81 = 4,888.72/x
  3. Step 3: Cross multiply
    15,982.33x = 23,977.81 × 4,888.72
  4. Step 4: Simplify right side
    15,982.33x = 117,220,807.89
  5. Step 5: Solve for x
    x = 117,220,807.89/15,982.33
  6. Step 6: Final answer
    x = 7,334.40

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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.