Home / 19,679.54-29,512.90-6,528.38

Finding the Fourth Proportional to 19,679.54, 29,512.90 and 6,528.38

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Solution

The fourth proportional to 19,679.54, 29,512.90 and 6,528.38 is: 9,790.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679.54 : 29,512.90 = 6,528.38 : x
  2. Step 2: Convert to fraction form
    19,679.54/29,512.90 = 6,528.38/x
  3. Step 3: Cross multiply
    19,679.54x = 29,512.90 × 6,528.38
  4. Step 4: Simplify right side
    19,679.54x = 192,671,426.10
  5. Step 5: Solve for x
    x = 192,671,426.10/19,679.54
  6. Step 6: Final answer
    x = 9,790.44

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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.