Home / 18,515.10-27,774.89-6,031.77

Finding the Fourth Proportional to 18,515.10, 27,774.89 and 6,031.77

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Solution

The fourth proportional to 18,515.10, 27,774.89 and 6,031.77 is: 9,048.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,515.10 : 27,774.89 = 6,031.77 : x
  2. Step 2: Convert to fraction form
    18,515.10/27,774.89 = 6,031.77/x
  3. Step 3: Cross multiply
    18,515.10x = 27,774.89 × 6,031.77
  4. Step 4: Simplify right side
    18,515.10x = 167,531,748.26
  5. Step 5: Solve for x
    x = 167,531,748.26/18,515.10
  6. Step 6: Final answer
    x = 9,048.38

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1.5x scale

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.