Home / 19,154.99-26,431.03-10,769.87

Finding the Fourth Proportional to 19,154.99, 26,431.03 and 10,769.87

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Solution

The fourth proportional to 19,154.99, 26,431.03 and 10,769.87 is: 14,860.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.99 : 26,431.03 = 10,769.87 : x
  2. Step 2: Convert to fraction form
    19,154.99/26,431.03 = 10,769.87/x
  3. Step 3: Cross multiply
    19,154.99x = 26,431.03 × 10,769.87
  4. Step 4: Simplify right side
    19,154.99x = 284,658,757.07
  5. Step 5: Solve for x
    x = 284,658,757.07/19,154.99
  6. Step 6: Final answer
    x = 14,860.81

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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.