Home / 19,962.16-27,540.93-12,797.87

Finding the Fourth Proportional to 19,962.16, 27,540.93 and 12,797.87

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Solution

The fourth proportional to 19,962.16, 27,540.93 and 12,797.87 is: 17,656.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.16 : 27,540.93 = 12,797.87 : x
  2. Step 2: Convert to fraction form
    19,962.16/27,540.93 = 12,797.87/x
  3. Step 3: Cross multiply
    19,962.16x = 27,540.93 × 12,797.87
  4. Step 4: Simplify right side
    19,962.16x = 352,465,241.82
  5. Step 5: Solve for x
    x = 352,465,241.82/19,962.16
  6. Step 6: Final answer
    x = 17,656.67

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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.