Home / 19,236.42-26,546.40-11,278.80

Finding the Fourth Proportional to 19,236.42, 26,546.40 and 11,278.80

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Solution

The fourth proportional to 19,236.42, 26,546.40 and 11,278.80 is: 15,564.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236.42 : 26,546.40 = 11,278.80 : x
  2. Step 2: Convert to fraction form
    19,236.42/26,546.40 = 11,278.80/x
  3. Step 3: Cross multiply
    19,236.42x = 26,546.40 × 11,278.80
  4. Step 4: Simplify right side
    19,236.42x = 299,411,536.32
  5. Step 5: Solve for x
    x = 299,411,536.32/19,236.42
  6. Step 6: Final answer
    x = 15,564.83

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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.