Home / 17,988.53-26,980.36-4,841.69

Finding the Fourth Proportional to 17,988.53, 26,980.36 and 4,841.69

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Solution

The fourth proportional to 17,988.53, 26,980.36 and 4,841.69 is: 7,261.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.53 : 26,980.36 = 4,841.69 : x
  2. Step 2: Convert to fraction form
    17,988.53/26,980.36 = 4,841.69/x
  3. Step 3: Cross multiply
    17,988.53x = 26,980.36 × 4,841.69
  4. Step 4: Simplify right side
    17,988.53x = 130,630,392.20
  5. Step 5: Solve for x
    x = 130,630,392.20/17,988.53
  6. Step 6: Final answer
    x = 7,261.87

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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.