Home / 19,516.12-26,932.40-11,454.60

Finding the Fourth Proportional to 19,516.12, 26,932.40 and 11,454.60

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Solution

The fourth proportional to 19,516.12, 26,932.40 and 11,454.60 is: 15,807.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516.12 : 26,932.40 = 11,454.60 : x
  2. Step 2: Convert to fraction form
    19,516.12/26,932.40 = 11,454.60/x
  3. Step 3: Cross multiply
    19,516.12x = 26,932.40 × 11,454.60
  4. Step 4: Simplify right side
    19,516.12x = 308,499,869.04
  5. Step 5: Solve for x
    x = 308,499,869.04/19,516.12
  6. Step 6: Final answer
    x = 15,807.44

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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.