Home / 18,425.23-27,637.72-5,277.60

Finding the Fourth Proportional to 18,425.23, 27,637.72 and 5,277.60

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Solution

The fourth proportional to 18,425.23, 27,637.72 and 5,277.60 is: 7,916.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,425.23 : 27,637.72 = 5,277.60 : x
  2. Step 2: Convert to fraction form
    18,425.23/27,637.72 = 5,277.60/x
  3. Step 3: Cross multiply
    18,425.23x = 27,637.72 × 5,277.60
  4. Step 4: Simplify right side
    18,425.23x = 145,860,817.88
  5. Step 5: Solve for x
    x = 145,860,817.88/18,425.23
  6. Step 6: Final answer
    x = 7,916.36

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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.