Home / 11,274.39-15,547.68-10,166.90

Finding the Fourth Proportional to 11,274.39, 15,547.68 and 10,166.90

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Solution

The fourth proportional to 11,274.39, 15,547.68 and 10,166.90 is: 14,020.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.39 : 15,547.68 = 10,166.90 : x
  2. Step 2: Convert to fraction form
    11,274.39/15,547.68 = 10,166.90/x
  3. Step 3: Cross multiply
    11,274.39x = 15,547.68 × 10,166.90
  4. Step 4: Simplify right side
    11,274.39x = 158,071,630.05
  5. Step 5: Solve for x
    x = 158,071,630.05/11,274.39
  6. Step 6: Final answer
    x = 14,020.42

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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.