Home / 16,991.96-25,503.51-9,103.38

Finding the Fourth Proportional to 16,991.96, 25,503.51 and 9,103.38

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Solution

The fourth proportional to 16,991.96, 25,503.51 and 9,103.38 is: 13,663.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.96 : 25,503.51 = 9,103.38 : x
  2. Step 2: Convert to fraction form
    16,991.96/25,503.51 = 9,103.38/x
  3. Step 3: Cross multiply
    16,991.96x = 25,503.51 × 9,103.38
  4. Step 4: Simplify right side
    16,991.96x = 232,168,097.35
  5. Step 5: Solve for x
    x = 232,168,097.35/16,991.96
  6. Step 6: Final answer
    x = 13,663.41

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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.