Home / 14,581.48-20,124.42-8,294.44

Finding the Fourth Proportional to 14,581.48, 20,124.42 and 8,294.44

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Solution

The fourth proportional to 14,581.48, 20,124.42 and 8,294.44 is: 11,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.48 : 20,124.42 = 8,294.44 : x
  2. Step 2: Convert to fraction form
    14,581.48/20,124.42 = 8,294.44/x
  3. Step 3: Cross multiply
    14,581.48x = 20,124.42 × 8,294.44
  4. Step 4: Simplify right side
    14,581.48x = 166,920,794.22
  5. Step 5: Solve for x
    x = 166,920,794.22/14,581.48
  6. Step 6: Final answer
    x = 11,447.45

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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.