Home / 19,808.17-27,334.66-10,855.51

Finding the Fourth Proportional to 19,808.17, 27,334.66 and 10,855.51

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Solution

The fourth proportional to 19,808.17, 27,334.66 and 10,855.51 is: 14,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,808.17 : 27,334.66 = 10,855.51 : x
  2. Step 2: Convert to fraction form
    19,808.17/27,334.66 = 10,855.51/x
  3. Step 3: Cross multiply
    19,808.17x = 27,334.66 × 10,855.51
  4. Step 4: Simplify right side
    19,808.17x = 296,731,791.05
  5. Step 5: Solve for x
    x = 296,731,791.05/19,808.17
  6. Step 6: Final answer
    x = 14,980.27

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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.