Home / 15,706.13-23,563.44-5,317.88

Finding the Fourth Proportional to 15,706.13, 23,563.44 and 5,317.88

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Solution

The fourth proportional to 15,706.13, 23,563.44 and 5,317.88 is: 7,978.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,706.13 : 23,563.44 = 5,317.88 : x
  2. Step 2: Convert to fraction form
    15,706.13/23,563.44 = 5,317.88/x
  3. Step 3: Cross multiply
    15,706.13x = 23,563.44 × 5,317.88
  4. Step 4: Simplify right side
    15,706.13x = 125,307,428.49
  5. Step 5: Solve for x
    x = 125,307,428.49/15,706.13
  6. Step 6: Final answer
    x = 7,978.25

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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.