Home / 19,216.11-26,530.56-12,055.84

Finding the Fourth Proportional to 19,216.11, 26,530.56 and 12,055.84

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Solution

The fourth proportional to 19,216.11, 26,530.56 and 12,055.84 is: 16,644.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.11 : 26,530.56 = 12,055.84 : x
  2. Step 2: Convert to fraction form
    19,216.11/26,530.56 = 12,055.84/x
  3. Step 3: Cross multiply
    19,216.11x = 26,530.56 × 12,055.84
  4. Step 4: Simplify right side
    19,216.11x = 319,848,154.05
  5. Step 5: Solve for x
    x = 319,848,154.05/19,216.11
  6. Step 6: Final answer
    x = 16,644.79

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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.