Home / 19,899.14-27,455.36-12,341.84

Finding the Fourth Proportional to 19,899.14, 27,455.36 and 12,341.84

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Solution

The fourth proportional to 19,899.14, 27,455.36 and 12,341.84 is: 17,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.14 : 27,455.36 = 12,341.84 : x
  2. Step 2: Convert to fraction form
    19,899.14/27,455.36 = 12,341.84/x
  3. Step 3: Cross multiply
    19,899.14x = 27,455.36 × 12,341.84
  4. Step 4: Simplify right side
    19,899.14x = 338,849,660.26
  5. Step 5: Solve for x
    x = 338,849,660.26/19,899.14
  6. Step 6: Final answer
    x = 17,028.36

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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.