Home / 17,948.99-24,769.61-9,991.04

Finding the Fourth Proportional to 17,948.99, 24,769.61 and 9,991.04

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Solution

The fourth proportional to 17,948.99, 24,769.61 and 9,991.04 is: 13,787.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,948.99 : 24,769.61 = 9,991.04 : x
  2. Step 2: Convert to fraction form
    17,948.99/24,769.61 = 9,991.04/x
  3. Step 3: Cross multiply
    17,948.99x = 24,769.61 × 9,991.04
  4. Step 4: Simplify right side
    17,948.99x = 247,474,114.34
  5. Step 5: Solve for x
    x = 247,474,114.34/17,948.99
  6. Step 6: Final answer
    x = 13,787.64

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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.