Home / 19,560.79-26,993.41-11,176.75

Finding the Fourth Proportional to 19,560.79, 26,993.41 and 11,176.75

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Solution

The fourth proportional to 19,560.79, 26,993.41 and 11,176.75 is: 15,423.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,560.79 : 26,993.41 = 11,176.75 : x
  2. Step 2: Convert to fraction form
    19,560.79/26,993.41 = 11,176.75/x
  3. Step 3: Cross multiply
    19,560.79x = 26,993.41 × 11,176.75
  4. Step 4: Simplify right side
    19,560.79x = 301,698,595.22
  5. Step 5: Solve for x
    x = 301,698,595.22/19,560.79
  6. Step 6: Final answer
    x = 15,423.64

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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.