Home / 19,523.08-26,943.78-11,140.84

Finding the Fourth Proportional to 19,523.08, 26,943.78 and 11,140.84

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Solution

The fourth proportional to 19,523.08, 26,943.78 and 11,140.84 is: 15,375.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,523.08 : 26,943.78 = 11,140.84 : x
  2. Step 2: Convert to fraction form
    19,523.08/26,943.78 = 11,140.84/x
  3. Step 3: Cross multiply
    19,523.08x = 26,943.78 × 11,140.84
  4. Step 4: Simplify right side
    19,523.08x = 300,176,341.98
  5. Step 5: Solve for x
    x = 300,176,341.98/19,523.08
  6. Step 6: Final answer
    x = 15,375.46

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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.