Home / 35,560.72-53,282.64-12,174.40

Finding the Fourth Proportional to 35,560.72, 53,282.64 and 12,174.40

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Solution

The fourth proportional to 35,560.72, 53,282.64 and 12,174.40 is: 18,241.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,560.72 : 53,282.64 = 12,174.40 : x
  2. Step 2: Convert to fraction form
    35,560.72/53,282.64 = 12,174.40/x
  3. Step 3: Cross multiply
    35,560.72x = 53,282.64 × 12,174.40
  4. Step 4: Simplify right side
    35,560.72x = 648,684,172.42
  5. Step 5: Solve for x
    x = 648,684,172.42/35,560.72
  6. Step 6: Final answer
    x = 18,241.59

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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.