Home / 19,368.57-29,057.70-5,517.57

Finding the Fourth Proportional to 19,368.57, 29,057.70 and 5,517.57

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Solution

The fourth proportional to 19,368.57, 29,057.70 and 5,517.57 is: 8,277.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.57 : 29,057.70 = 5,517.57 : x
  2. Step 2: Convert to fraction form
    19,368.57/29,057.70 = 5,517.57/x
  3. Step 3: Cross multiply
    19,368.57x = 29,057.70 × 5,517.57
  4. Step 4: Simplify right side
    19,368.57x = 160,327,893.79
  5. Step 5: Solve for x
    x = 160,327,893.79/19,368.57
  6. Step 6: Final answer
    x = 8,277.74

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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.