Home / 14,801.67-20,425.70-8,087.53

Finding the Fourth Proportional to 14,801.67, 20,425.70 and 8,087.53

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Solution

The fourth proportional to 14,801.67, 20,425.70 and 8,087.53 is: 11,160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,801.67 : 20,425.70 = 8,087.53 : x
  2. Step 2: Convert to fraction form
    14,801.67/20,425.70 = 8,087.53/x
  3. Step 3: Cross multiply
    14,801.67x = 20,425.70 × 8,087.53
  4. Step 4: Simplify right side
    14,801.67x = 165,193,507.27
  5. Step 5: Solve for x
    x = 165,193,507.27/14,801.67
  6. Step 6: Final answer
    x = 11,160.46

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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.