Home / 14,171.64-19,556.85-7,885.26

Finding the Fourth Proportional to 14,171.64, 19,556.85 and 7,885.26

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Solution

The fourth proportional to 14,171.64, 19,556.85 and 7,885.26 is: 10,881.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.64 : 19,556.85 = 7,885.26 : x
  2. Step 2: Convert to fraction form
    14,171.64/19,556.85 = 7,885.26/x
  3. Step 3: Cross multiply
    14,171.64x = 19,556.85 × 7,885.26
  4. Step 4: Simplify right side
    14,171.64x = 154,210,847.03
  5. Step 5: Solve for x
    x = 154,210,847.03/14,171.64
  6. Step 6: Final answer
    x = 10,881.65

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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.