Home / 65,153.82-97,730.46-18,406.56

Finding the Fourth Proportional to 65,153.82, 97,730.46 and 18,406.56

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Solution

The fourth proportional to 65,153.82, 97,730.46 and 18,406.56 is: 27,609.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,153.82 : 97,730.46 = 18,406.56 : x
  2. Step 2: Convert to fraction form
    65,153.82/97,730.46 = 18,406.56/x
  3. Step 3: Cross multiply
    65,153.82x = 97,730.46 × 18,406.56
  4. Step 4: Simplify right side
    65,153.82x = 1,798,881,575.82
  5. Step 5: Solve for x
    x = 1,798,881,575.82/65,153.82
  6. Step 6: Final answer
    x = 27,609.76

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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.