Home / 19,807.68-27,333.66-11,854.28

Finding the Fourth Proportional to 19,807.68, 27,333.66 and 11,854.28

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Solution

The fourth proportional to 19,807.68, 27,333.66 and 11,854.28 is: 16,358.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.68 : 27,333.66 = 11,854.28 : x
  2. Step 2: Convert to fraction form
    19,807.68/27,333.66 = 11,854.28/x
  3. Step 3: Cross multiply
    19,807.68x = 27,333.66 × 11,854.28
  4. Step 4: Simplify right side
    19,807.68x = 324,020,859.06
  5. Step 5: Solve for x
    x = 324,020,859.06/19,807.68
  6. Step 6: Final answer
    x = 16,358.34

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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.