Home / 14,477.28-19,982.40-8,892.96

Finding the Fourth Proportional to 14,477.28, 19,982.40 and 8,892.96

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Solution

The fourth proportional to 14,477.28, 19,982.40 and 8,892.96 is: 12,274.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,477.28 : 19,982.40 = 8,892.96 : x
  2. Step 2: Convert to fraction form
    14,477.28/19,982.40 = 8,892.96/x
  3. Step 3: Cross multiply
    14,477.28x = 19,982.40 × 8,892.96
  4. Step 4: Simplify right side
    14,477.28x = 177,702,683.90
  5. Step 5: Solve for x
    x = 177,702,683.90/14,477.28
  6. Step 6: Final answer
    x = 12,274.59

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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.