Home / 19,809.93-27,337.92-10,857.24

Finding the Fourth Proportional to 19,809.93, 27,337.92 and 10,857.24

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Solution

The fourth proportional to 19,809.93, 27,337.92 and 10,857.24 is: 14,983.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,809.93 : 27,337.92 = 10,857.24 : x
  2. Step 2: Convert to fraction form
    19,809.93/27,337.92 = 10,857.24/x
  3. Step 3: Cross multiply
    19,809.93x = 27,337.92 × 10,857.24
  4. Step 4: Simplify right side
    19,809.93x = 296,814,358.54
  5. Step 5: Solve for x
    x = 296,814,358.54/19,809.93
  6. Step 6: Final answer
    x = 14,983.11

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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.