Home / 18,664.99-25,757.68-10,281.49

Finding the Fourth Proportional to 18,664.99, 25,757.68 and 10,281.49

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Solution

The fourth proportional to 18,664.99, 25,757.68 and 10,281.49 is: 14,188.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.99 : 25,757.68 = 10,281.49 : x
  2. Step 2: Convert to fraction form
    18,664.99/25,757.68 = 10,281.49/x
  3. Step 3: Cross multiply
    18,664.99x = 25,757.68 × 10,281.49
  4. Step 4: Simplify right side
    18,664.99x = 264,827,329.34
  5. Step 5: Solve for x
    x = 264,827,329.34/18,664.99
  6. Step 6: Final answer
    x = 14,188.45

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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.