Home / 19,807.09-27,334.44-10,854.61

Finding the Fourth Proportional to 19,807.09, 27,334.44 and 10,854.61

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Solution

The fourth proportional to 19,807.09, 27,334.44 and 10,854.61 is: 14,979.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.09 : 27,334.44 = 10,854.61 : x
  2. Step 2: Convert to fraction form
    19,807.09/27,334.44 = 10,854.61/x
  3. Step 3: Cross multiply
    19,807.09x = 27,334.44 × 10,854.61
  4. Step 4: Simplify right side
    19,807.09x = 296,704,685.77
  5. Step 5: Solve for x
    x = 296,704,685.77/19,807.09
  6. Step 6: Final answer
    x = 14,979.72

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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.