Home / 17,988.75-26,980.69-4,841.91

Finding the Fourth Proportional to 17,988.75, 26,980.69 and 4,841.91

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Solution

The fourth proportional to 17,988.75, 26,980.69 and 4,841.91 is: 7,262.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.75 : 26,980.69 = 4,841.91 : x
  2. Step 2: Convert to fraction form
    17,988.75/26,980.69 = 4,841.91/x
  3. Step 3: Cross multiply
    17,988.75x = 26,980.69 × 4,841.91
  4. Step 4: Simplify right side
    17,988.75x = 130,637,913.60
  5. Step 5: Solve for x
    x = 130,637,913.60/17,988.75
  6. Step 6: Final answer
    x = 7,262.20

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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.