Home / 19,517.60-26,927.64-11,018.72

Finding the Fourth Proportional to 19,517.60, 26,927.64 and 11,018.72

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Solution

The fourth proportional to 19,517.60, 26,927.64 and 11,018.72 is: 15,202.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.60 : 26,927.64 = 11,018.72 : x
  2. Step 2: Convert to fraction form
    19,517.60/26,927.64 = 11,018.72/x
  3. Step 3: Cross multiply
    19,517.60x = 26,927.64 × 11,018.72
  4. Step 4: Simplify right side
    19,517.60x = 296,708,125.42
  5. Step 5: Solve for x
    x = 296,708,125.42/19,517.60
  6. Step 6: Final answer
    x = 15,202.08

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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.