Home / 35,658.88-53,475.36-18,144.16

Finding the Fourth Proportional to 35,658.88, 53,475.36 and 18,144.16

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Solution

The fourth proportional to 35,658.88, 53,475.36 and 18,144.16 is: 27,209.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,658.88 : 53,475.36 = 18,144.16 : x
  2. Step 2: Convert to fraction form
    35,658.88/53,475.36 = 18,144.16/x
  3. Step 3: Cross multiply
    35,658.88x = 53,475.36 × 18,144.16
  4. Step 4: Simplify right side
    35,658.88x = 970,265,487.90
  5. Step 5: Solve for x
    x = 970,265,487.90/35,658.88
  6. Step 6: Final answer
    x = 27,209.65

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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.