Home / 17,611.83-24,327.64-13,127.81

Finding the Fourth Proportional to 17,611.83, 24,327.64 and 13,127.81

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Solution

The fourth proportional to 17,611.83, 24,327.64 and 13,127.81 is: 18,133.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,611.83 : 24,327.64 = 13,127.81 : x
  2. Step 2: Convert to fraction form
    17,611.83/24,327.64 = 13,127.81/x
  3. Step 3: Cross multiply
    17,611.83x = 24,327.64 × 13,127.81
  4. Step 4: Simplify right side
    17,611.83x = 319,368,530.44
  5. Step 5: Solve for x
    x = 319,368,530.44/17,611.83
  6. Step 6: Final answer
    x = 18,133.75

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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.