Home / 19,410.38-26,785.71-10,912.87

Finding the Fourth Proportional to 19,410.38, 26,785.71 and 10,912.87

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Solution

The fourth proportional to 19,410.38, 26,785.71 and 10,912.87 is: 15,059.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,410.38 : 26,785.71 = 10,912.87 : x
  2. Step 2: Convert to fraction form
    19,410.38/26,785.71 = 10,912.87/x
  3. Step 3: Cross multiply
    19,410.38x = 26,785.71 × 10,912.87
  4. Step 4: Simplify right side
    19,410.38x = 292,308,904.12
  5. Step 5: Solve for x
    x = 292,308,904.12/19,410.38
  6. Step 6: Final answer
    x = 15,059.41

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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.