Home / 13,501.44-18,634.32-9,960.12

Finding the Fourth Proportional to 13,501.44, 18,634.32 and 9,960.12

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Solution

The fourth proportional to 13,501.44, 18,634.32 and 9,960.12 is: 13,746.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.44 : 18,634.32 = 9,960.12 : x
  2. Step 2: Convert to fraction form
    13,501.44/18,634.32 = 9,960.12/x
  3. Step 3: Cross multiply
    13,501.44x = 18,634.32 × 9,960.12
  4. Step 4: Simplify right side
    13,501.44x = 185,600,063.32
  5. Step 5: Solve for x
    x = 185,600,063.32/13,501.44
  6. Step 6: Final answer
    x = 13,746.69

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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.