Home / 15,707.56-23,561.36-5,318.52

Finding the Fourth Proportional to 15,707.56, 23,561.36 and 5,318.52

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Solution

The fourth proportional to 15,707.56, 23,561.36 and 5,318.52 is: 7,977.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,707.56 : 23,561.36 = 5,318.52 : x
  2. Step 2: Convert to fraction form
    15,707.56/23,561.36 = 5,318.52/x
  3. Step 3: Cross multiply
    15,707.56x = 23,561.36 × 5,318.52
  4. Step 4: Simplify right side
    15,707.56x = 125,311,564.39
  5. Step 5: Solve for x
    x = 125,311,564.39/15,707.56
  6. Step 6: Final answer
    x = 7,977.79

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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.