Home / 19,414.16-26,785.32-11,966.48

Finding the Fourth Proportional to 19,414.16, 26,785.32 and 11,966.48

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Solution

The fourth proportional to 19,414.16, 26,785.32 and 11,966.48 is: 16,509.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,414.16 : 26,785.32 = 11,966.48 : x
  2. Step 2: Convert to fraction form
    19,414.16/26,785.32 = 11,966.48/x
  3. Step 3: Cross multiply
    19,414.16x = 26,785.32 × 11,966.48
  4. Step 4: Simplify right side
    19,414.16x = 320,525,996.07
  5. Step 5: Solve for x
    x = 320,525,996.07/19,414.16
  6. Step 6: Final answer
    x = 16,509.91

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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.