Home / 15,378.78-23,077.14-6,018.33

Finding the Fourth Proportional to 15,378.78, 23,077.14 and 6,018.33

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Solution

The fourth proportional to 15,378.78, 23,077.14 and 6,018.33 is: 9,031.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,378.78 : 23,077.14 = 6,018.33 : x
  2. Step 2: Convert to fraction form
    15,378.78/23,077.14 = 6,018.33/x
  3. Step 3: Cross multiply
    15,378.78x = 23,077.14 × 6,018.33
  4. Step 4: Simplify right side
    15,378.78x = 138,885,843.98
  5. Step 5: Solve for x
    x = 138,885,843.98/15,378.78
  6. Step 6: Final answer
    x = 9,031.01

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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.