Home / 14,961.11-20,656.25-11,551.93

Finding the Fourth Proportional to 14,961.11, 20,656.25 and 11,551.93

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Solution

The fourth proportional to 14,961.11, 20,656.25 and 11,551.93 is: 15,949.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.11 : 20,656.25 = 11,551.93 : x
  2. Step 2: Convert to fraction form
    14,961.11/20,656.25 = 11,551.93/x
  3. Step 3: Cross multiply
    14,961.11x = 20,656.25 × 11,551.93
  4. Step 4: Simplify right side
    14,961.11x = 238,619,393.02
  5. Step 5: Solve for x
    x = 238,619,393.02/14,961.11
  6. Step 6: Final answer
    x = 15,949.31

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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.