Home / 13,459.68-18,580.86-9,233.64

Finding the Fourth Proportional to 13,459.68, 18,580.86 and 9,233.64

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Solution

The fourth proportional to 13,459.68, 18,580.86 and 9,233.64 is: 12,746.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459.68 : 18,580.86 = 9,233.64 : x
  2. Step 2: Convert to fraction form
    13,459.68/18,580.86 = 9,233.64/x
  3. Step 3: Cross multiply
    13,459.68x = 18,580.86 × 9,233.64
  4. Step 4: Simplify right side
    13,459.68x = 171,568,972.13
  5. Step 5: Solve for x
    x = 171,568,972.13/13,459.68
  6. Step 6: Final answer
    x = 12,746.88

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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.