Home / 15,914.49-23,870.72-4,821.54

Finding the Fourth Proportional to 15,914.49, 23,870.72 and 4,821.54

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Solution

The fourth proportional to 15,914.49, 23,870.72 and 4,821.54 is: 7,232.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,914.49 : 23,870.72 = 4,821.54 : x
  2. Step 2: Convert to fraction form
    15,914.49/23,870.72 = 4,821.54/x
  3. Step 3: Cross multiply
    15,914.49x = 23,870.72 × 4,821.54
  4. Step 4: Simplify right side
    15,914.49x = 115,093,607.20
  5. Step 5: Solve for x
    x = 115,093,607.20/15,914.49
  6. Step 6: Final answer
    x = 7,232.00

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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.