Home / 19,807.11-27,333.75-10,854.69

Finding the Fourth Proportional to 19,807.11, 27,333.75 and 10,854.69

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Solution

The fourth proportional to 19,807.11, 27,333.75 and 10,854.69 is: 14,979.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.11 : 27,333.75 = 10,854.69 : x
  2. Step 2: Convert to fraction form
    19,807.11/27,333.75 = 10,854.69/x
  3. Step 3: Cross multiply
    19,807.11x = 27,333.75 × 10,854.69
  4. Step 4: Simplify right side
    19,807.11x = 296,699,382.79
  5. Step 5: Solve for x
    x = 296,699,382.79/19,807.11
  6. Step 6: Final answer
    x = 14,979.44

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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.