Home / 15,707.28-23,563.84-5,178.04

Finding the Fourth Proportional to 15,707.28, 23,563.84 and 5,178.04

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Solution

The fourth proportional to 15,707.28, 23,563.84 and 5,178.04 is: 7,768.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,707.28 : 23,563.84 = 5,178.04 : x
  2. Step 2: Convert to fraction form
    15,707.28/23,563.84 = 5,178.04/x
  3. Step 3: Cross multiply
    15,707.28x = 23,563.84 × 5,178.04
  4. Step 4: Simplify right side
    15,707.28x = 122,014,506.07
  5. Step 5: Solve for x
    x = 122,014,506.07/15,707.28
  6. Step 6: Final answer
    x = 7,768.02

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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.