Home / 19,631.17-27,091.74-10,900.08

Finding the Fourth Proportional to 19,631.17, 27,091.74 and 10,900.08

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Solution

The fourth proportional to 19,631.17, 27,091.74 and 10,900.08 is: 15,042.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.17 : 27,091.74 = 10,900.08 : x
  2. Step 2: Convert to fraction form
    19,631.17/27,091.74 = 10,900.08/x
  3. Step 3: Cross multiply
    19,631.17x = 27,091.74 × 10,900.08
  4. Step 4: Simplify right side
    19,631.17x = 295,302,173.82
  5. Step 5: Solve for x
    x = 295,302,173.82/19,631.17
  6. Step 6: Final answer
    x = 15,042.51

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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.