Home / 19,832.31-27,369.84-13,106.13

Finding the Fourth Proportional to 19,832.31, 27,369.84 and 13,106.13

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Solution

The fourth proportional to 19,832.31, 27,369.84 and 13,106.13 is: 18,087.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,832.31 : 27,369.84 = 13,106.13 : x
  2. Step 2: Convert to fraction form
    19,832.31/27,369.84 = 13,106.13/x
  3. Step 3: Cross multiply
    19,832.31x = 27,369.84 × 13,106.13
  4. Step 4: Simplify right side
    19,832.31x = 358,712,681.12
  5. Step 5: Solve for x
    x = 358,712,681.12/19,832.31
  6. Step 6: Final answer
    x = 18,087.29

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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.