Home / 19,461.60-29,181.60-8,366.40

Finding the Fourth Proportional to 19,461.60, 29,181.60 and 8,366.40

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Solution

The fourth proportional to 19,461.60, 29,181.60 and 8,366.40 is: 12,544.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,461.60 : 29,181.60 = 8,366.40 : x
  2. Step 2: Convert to fraction form
    19,461.60/29,181.60 = 8,366.40/x
  3. Step 3: Cross multiply
    19,461.60x = 29,181.60 × 8,366.40
  4. Step 4: Simplify right side
    19,461.60x = 244,144,938.24
  5. Step 5: Solve for x
    x = 244,144,938.24/19,461.60
  6. Step 6: Final answer
    x = 12,544.96

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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.