Home / 34,087.02-51,128.46-12,735.66

Finding the Fourth Proportional to 34,087.02, 51,128.46 and 12,735.66

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Solution

The fourth proportional to 34,087.02, 51,128.46 and 12,735.66 is: 19,102.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,087.02 : 51,128.46 = 12,735.66 : x
  2. Step 2: Convert to fraction form
    34,087.02/51,128.46 = 12,735.66/x
  3. Step 3: Cross multiply
    34,087.02x = 51,128.46 × 12,735.66
  4. Step 4: Simplify right side
    34,087.02x = 651,154,682.88
  5. Step 5: Solve for x
    x = 651,154,682.88/34,087.02
  6. Step 6: Final answer
    x = 19,102.72

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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.