Home / 19,403.28-26,775.72-11,020.24

Finding the Fourth Proportional to 19,403.28, 26,775.72 and 11,020.24

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Solution

The fourth proportional to 19,403.28, 26,775.72 and 11,020.24 is: 15,207.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,403.28 : 26,775.72 = 11,020.24 : x
  2. Step 2: Convert to fraction form
    19,403.28/26,775.72 = 11,020.24/x
  3. Step 3: Cross multiply
    19,403.28x = 26,775.72 × 11,020.24
  4. Step 4: Simplify right side
    19,403.28x = 295,074,860.57
  5. Step 5: Solve for x
    x = 295,074,860.57/19,403.28
  6. Step 6: Final answer
    x = 15,207.47

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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.