Home / 17,547.12-26,271.72-11,988.72

Finding the Fourth Proportional to 17,547.12, 26,271.72 and 11,988.72

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Solution

The fourth proportional to 17,547.12, 26,271.72 and 11,988.72 is: 17,949.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,547.12 : 26,271.72 = 11,988.72 : x
  2. Step 2: Convert to fraction form
    17,547.12/26,271.72 = 11,988.72/x
  3. Step 3: Cross multiply
    17,547.12x = 26,271.72 × 11,988.72
  4. Step 4: Simplify right side
    17,547.12x = 314,964,295.00
  5. Step 5: Solve for x
    x = 314,964,295.00/17,547.12
  6. Step 6: Final answer
    x = 17,949.63

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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.