Home / 13,057.83-19,587.20-4,293.43

Finding the Fourth Proportional to 13,057.83, 19,587.20 and 4,293.43

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Solution

The fourth proportional to 13,057.83, 19,587.20 and 4,293.43 is: 6,440.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.83 : 19,587.20 = 4,293.43 : x
  2. Step 2: Convert to fraction form
    13,057.83/19,587.20 = 4,293.43/x
  3. Step 3: Cross multiply
    13,057.83x = 19,587.20 × 4,293.43
  4. Step 4: Simplify right side
    13,057.83x = 84,096,217.76
  5. Step 5: Solve for x
    x = 84,096,217.76/13,057.83
  6. Step 6: Final answer
    x = 6,440.29

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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.