Home / 17,865.80-26,798.69-6,172.64

Finding the Fourth Proportional to 17,865.80, 26,798.69 and 6,172.64

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Solution

The fourth proportional to 17,865.80, 26,798.69 and 6,172.64 is: 9,258.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,865.80 : 26,798.69 = 6,172.64 : x
  2. Step 2: Convert to fraction form
    17,865.80/26,798.69 = 6,172.64/x
  3. Step 3: Cross multiply
    17,865.80x = 26,798.69 × 6,172.64
  4. Step 4: Simplify right side
    17,865.80x = 165,418,547.28
  5. Step 5: Solve for x
    x = 165,418,547.28/17,865.80
  6. Step 6: Final answer
    x = 9,258.95

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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.