Home / 27,011.10-40,511.52-11,439.66

Finding the Fourth Proportional to 27,011.10, 40,511.52 and 11,439.66

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Solution

The fourth proportional to 27,011.10, 40,511.52 and 11,439.66 is: 17,157.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,011.10 : 40,511.52 = 11,439.66 : x
  2. Step 2: Convert to fraction form
    27,011.10/40,511.52 = 11,439.66/x
  3. Step 3: Cross multiply
    27,011.10x = 40,511.52 × 11,439.66
  4. Step 4: Simplify right side
    27,011.10x = 463,438,014.88
  5. Step 5: Solve for x
    x = 463,438,014.88/27,011.10
  6. Step 6: Final answer
    x = 17,157.32

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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.