Home / 13,676.54-18,873.66-7,708.25

Finding the Fourth Proportional to 13,676.54, 18,873.66 and 7,708.25

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Solution

The fourth proportional to 13,676.54, 18,873.66 and 7,708.25 is: 10,637.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676.54 : 18,873.66 = 7,708.25 : x
  2. Step 2: Convert to fraction form
    13,676.54/18,873.66 = 7,708.25/x
  3. Step 3: Cross multiply
    13,676.54x = 18,873.66 × 7,708.25
  4. Step 4: Simplify right side
    13,676.54x = 145,482,795.33
  5. Step 5: Solve for x
    x = 145,482,795.33/13,676.54
  6. Step 6: Final answer
    x = 10,637.40

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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.