Home / 27,511.84-37,989.60-17,458.12

Finding the Fourth Proportional to 27,511.84, 37,989.60 and 17,458.12

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Solution

The fourth proportional to 27,511.84, 37,989.60 and 17,458.12 is: 24,106.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,511.84 : 37,989.60 = 17,458.12 : x
  2. Step 2: Convert to fraction form
    27,511.84/37,989.60 = 17,458.12/x
  3. Step 3: Cross multiply
    27,511.84x = 37,989.60 × 17,458.12
  4. Step 4: Simplify right side
    27,511.84x = 663,226,995.55
  5. Step 5: Solve for x
    x = 663,226,995.55/27,511.84
  6. Step 6: Final answer
    x = 24,106.97

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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.