Home / 15,742.48-23,616.98-13,163.44

Finding the Fourth Proportional to 15,742.48, 23,616.98 and 13,163.44

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Solution

The fourth proportional to 15,742.48, 23,616.98 and 13,163.44 is: 19,747.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,742.48 : 23,616.98 = 13,163.44 : x
  2. Step 2: Convert to fraction form
    15,742.48/23,616.98 = 13,163.44/x
  3. Step 3: Cross multiply
    15,742.48x = 23,616.98 × 13,163.44
  4. Step 4: Simplify right side
    15,742.48x = 310,880,699.21
  5. Step 5: Solve for x
    x = 310,880,699.21/15,742.48
  6. Step 6: Final answer
    x = 19,747.89

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1.5x scale

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.