Home / 13,306.09-19,972.26-7,066.08

Finding the Fourth Proportional to 13,306.09, 19,972.26 and 7,066.08

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Solution

The fourth proportional to 13,306.09, 19,972.26 and 7,066.08 is: 10,606.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.09 : 19,972.26 = 7,066.08 : x
  2. Step 2: Convert to fraction form
    13,306.09/19,972.26 = 7,066.08/x
  3. Step 3: Cross multiply
    13,306.09x = 19,972.26 × 7,066.08
  4. Step 4: Simplify right side
    13,306.09x = 141,125,636.21
  5. Step 5: Solve for x
    x = 141,125,636.21/13,306.09
  6. Step 6: Final answer
    x = 10,606.10

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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.