Home / 14,531.13-21,784.91-13,706.11

Finding the Fourth Proportional to 14,531.13, 21,784.91 and 13,706.11

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Solution

The fourth proportional to 14,531.13, 21,784.91 and 13,706.11 is: 20,548.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,531.13 : 21,784.91 = 13,706.11 : x
  2. Step 2: Convert to fraction form
    14,531.13/21,784.91 = 13,706.11/x
  3. Step 3: Cross multiply
    14,531.13x = 21,784.91 × 13,706.11
  4. Step 4: Simplify right side
    14,531.13x = 298,586,427.87
  5. Step 5: Solve for x
    x = 298,586,427.87/14,531.13
  6. Step 6: Final answer
    x = 20,548.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.