Home / 14,561.33-20,102.45-9,788.94

Finding the Fourth Proportional to 14,561.33, 20,102.45 and 9,788.94

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Solution

The fourth proportional to 14,561.33, 20,102.45 and 9,788.94 is: 13,513.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,561.33 : 20,102.45 = 9,788.94 : x
  2. Step 2: Convert to fraction form
    14,561.33/20,102.45 = 9,788.94/x
  3. Step 3: Cross multiply
    14,561.33x = 20,102.45 × 9,788.94
  4. Step 4: Simplify right side
    14,561.33x = 196,781,627.96
  5. Step 5: Solve for x
    x = 196,781,627.96/14,561.33
  6. Step 6: Final answer
    x = 13,513.99

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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.