Home / 15,537.35-21,444.35-9,163.56

Finding the Fourth Proportional to 15,537.35, 21,444.35 and 9,163.56

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Solution

The fourth proportional to 15,537.35, 21,444.35 and 9,163.56 is: 12,647.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.35 : 21,444.35 = 9,163.56 : x
  2. Step 2: Convert to fraction form
    15,537.35/21,444.35 = 9,163.56/x
  3. Step 3: Cross multiply
    15,537.35x = 21,444.35 × 9,163.56
  4. Step 4: Simplify right side
    15,537.35x = 196,506,622.48
  5. Step 5: Solve for x
    x = 196,506,622.48/15,537.35
  6. Step 6: Final answer
    x = 12,647.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.