Home / 13,485.80-18,627.08-9,524.60

Finding the Fourth Proportional to 13,485.80, 18,627.08 and 9,524.60

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Solution

The fourth proportional to 13,485.80, 18,627.08 and 9,524.60 is: 13,155.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485.80 : 18,627.08 = 9,524.60 : x
  2. Step 2: Convert to fraction form
    13,485.80/18,627.08 = 9,524.60/x
  3. Step 3: Cross multiply
    13,485.80x = 18,627.08 × 9,524.60
  4. Step 4: Simplify right side
    13,485.80x = 177,415,486.17
  5. Step 5: Solve for x
    x = 177,415,486.17/13,485.80
  6. Step 6: Final answer
    x = 13,155.73

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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.