Home / 19,807.44-27,334.27-10,854.86

Finding the Fourth Proportional to 19,807.44, 27,334.27 and 10,854.86

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Solution

The fourth proportional to 19,807.44, 27,334.27 and 10,854.86 is: 14,979.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.44 : 27,334.27 = 10,854.86 : x
  2. Step 2: Convert to fraction form
    19,807.44/27,334.27 = 10,854.86/x
  3. Step 3: Cross multiply
    19,807.44x = 27,334.27 × 10,854.86
  4. Step 4: Simplify right side
    19,807.44x = 296,709,674.05
  5. Step 5: Solve for x
    x = 296,709,674.05/19,807.44
  6. Step 6: Final answer
    x = 14,979.71

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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.