Home / 19,647.13-27,113.39-10,694.89

Finding the Fourth Proportional to 19,647.13, 27,113.39 and 10,694.89

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Solution

The fourth proportional to 19,647.13, 27,113.39 and 10,694.89 is: 14,759.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.13 : 27,113.39 = 10,694.89 : x
  2. Step 2: Convert to fraction form
    19,647.13/27,113.39 = 10,694.89/x
  3. Step 3: Cross multiply
    19,647.13x = 27,113.39 × 10,694.89
  4. Step 4: Simplify right side
    19,647.13x = 289,974,670.10
  5. Step 5: Solve for x
    x = 289,974,670.10/19,647.13
  6. Step 6: Final answer
    x = 14,759.14

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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.