Home / 19,717.30-29,528.81-11,372.02

Finding the Fourth Proportional to 19,717.30, 29,528.81 and 11,372.02

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Solution

The fourth proportional to 19,717.30, 29,528.81 and 11,372.02 is: 17,030.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.30 : 29,528.81 = 11,372.02 : x
  2. Step 2: Convert to fraction form
    19,717.30/29,528.81 = 11,372.02/x
  3. Step 3: Cross multiply
    19,717.30x = 29,528.81 × 11,372.02
  4. Step 4: Simplify right side
    19,717.30x = 335,802,160.16
  5. Step 5: Solve for x
    x = 335,802,160.16/19,717.30
  6. Step 6: Final answer
    x = 17,030.84

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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.