Home / 13,476.60-18,591.32-8,759.16

Finding the Fourth Proportional to 13,476.60, 18,591.32 and 8,759.16

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Solution

The fourth proportional to 13,476.60, 18,591.32 and 8,759.16 is: 12,083.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476.60 : 18,591.32 = 8,759.16 : x
  2. Step 2: Convert to fraction form
    13,476.60/18,591.32 = 8,759.16/x
  3. Step 3: Cross multiply
    13,476.60x = 18,591.32 × 8,759.16
  4. Step 4: Simplify right side
    13,476.60x = 162,844,346.49
  5. Step 5: Solve for x
    x = 162,844,346.49/13,476.60
  6. Step 6: Final answer
    x = 12,083.49

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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.