Home / 19,500.24-26,908.68-10,999.68

Finding the Fourth Proportional to 19,500.24, 26,908.68 and 10,999.68

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Solution

The fourth proportional to 19,500.24, 26,908.68 and 10,999.68 is: 15,178.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,500.24 : 26,908.68 = 10,999.68 : x
  2. Step 2: Convert to fraction form
    19,500.24/26,908.68 = 10,999.68/x
  3. Step 3: Cross multiply
    19,500.24x = 26,908.68 × 10,999.68
  4. Step 4: Simplify right side
    19,500.24x = 295,986,869.22
  5. Step 5: Solve for x
    x = 295,986,869.22/19,500.24
  6. Step 6: Final answer
    x = 15,178.63

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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.