Home / 18,817.49-25,969.30-10,433.99

Finding the Fourth Proportional to 18,817.49, 25,969.30 and 10,433.99

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Solution

The fourth proportional to 18,817.49, 25,969.30 and 10,433.99 is: 14,399.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817.49 : 25,969.30 = 10,433.99 : x
  2. Step 2: Convert to fraction form
    18,817.49/25,969.30 = 10,433.99/x
  3. Step 3: Cross multiply
    18,817.49x = 25,969.30 × 10,433.99
  4. Step 4: Simplify right side
    18,817.49x = 270,963,416.51
  5. Step 5: Solve for x
    x = 270,963,416.51/18,817.49
  6. Step 6: Final answer
    x = 14,399.55

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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.