Home / 13,592.52-18,745.40-8,807.60

Finding the Fourth Proportional to 13,592.52, 18,745.40 and 8,807.60

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Solution

The fourth proportional to 13,592.52, 18,745.40 and 8,807.60 is: 12,146.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.52 : 18,745.40 = 8,807.60 : x
  2. Step 2: Convert to fraction form
    13,592.52/18,745.40 = 8,807.60/x
  3. Step 3: Cross multiply
    13,592.52x = 18,745.40 × 8,807.60
  4. Step 4: Simplify right side
    13,592.52x = 165,101,985.04
  5. Step 5: Solve for x
    x = 165,101,985.04/13,592.52
  6. Step 6: Final answer
    x = 12,146.53

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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.