Home / 27,511.14-37,964.78-14,935.90

Finding the Fourth Proportional to 27,511.14, 37,964.78 and 14,935.90

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Solution

The fourth proportional to 27,511.14, 37,964.78 and 14,935.90 is: 20,611.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,511.14 : 37,964.78 = 14,935.90 : x
  2. Step 2: Convert to fraction form
    27,511.14/37,964.78 = 14,935.90/x
  3. Step 3: Cross multiply
    27,511.14x = 37,964.78 × 14,935.90
  4. Step 4: Simplify right side
    27,511.14x = 567,038,157.60
  5. Step 5: Solve for x
    x = 567,038,157.60/27,511.14
  6. Step 6: Final answer
    x = 20,611.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.