Home / 13,194.96-18,210.60-7,607.12

Finding the Fourth Proportional to 13,194.96, 18,210.60 and 7,607.12

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Solution

The fourth proportional to 13,194.96, 18,210.60 and 7,607.12 is: 10,498.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.96 : 18,210.60 = 7,607.12 : x
  2. Step 2: Convert to fraction form
    13,194.96/18,210.60 = 7,607.12/x
  3. Step 3: Cross multiply
    13,194.96x = 18,210.60 × 7,607.12
  4. Step 4: Simplify right side
    13,194.96x = 138,530,219.47
  5. Step 5: Solve for x
    x = 138,530,219.47/13,194.96
  6. Step 6: Final answer
    x = 10,498.72

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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.