Home / 15,984.28-22,058.94-8,911.96

Finding the Fourth Proportional to 15,984.28, 22,058.94 and 8,911.96

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Solution

The fourth proportional to 15,984.28, 22,058.94 and 8,911.96 is: 12,298.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,984.28 : 22,058.94 = 8,911.96 : x
  2. Step 2: Convert to fraction form
    15,984.28/22,058.94 = 8,911.96/x
  3. Step 3: Cross multiply
    15,984.28x = 22,058.94 × 8,911.96
  4. Step 4: Simplify right side
    15,984.28x = 196,588,390.92
  5. Step 5: Solve for x
    x = 196,588,390.92/15,984.28
  6. Step 6: Final answer
    x = 12,298.86

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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.