Home / 13,501.32-18,610.60-9,245.02

Finding the Fourth Proportional to 13,501.32, 18,610.60 and 9,245.02

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Solution

The fourth proportional to 13,501.32, 18,610.60 and 9,245.02 is: 12,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.32 : 18,610.60 = 9,245.02 : x
  2. Step 2: Convert to fraction form
    13,501.32/18,610.60 = 9,245.02/x
  3. Step 3: Cross multiply
    13,501.32x = 18,610.60 × 9,245.02
  4. Step 4: Simplify right side
    13,501.32x = 172,055,430.15
  5. Step 5: Solve for x
    x = 172,055,430.15/13,501.32
  6. Step 6: Final answer
    x = 12,743.60

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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.